Reference Tools

Provide links to web-based resources that could facilitate the location of factual information.

QUICK Link :


  • Information Please Almanac
    This is the online version of the Time Almanac. It is a comprehensive reference source that "allows searching along with the contents of an encyclopedia, a dictionary, an atlas, and several almanacs containing statistics, facts, and historical records."
  • The Old Farmer's Almanac
    This site contains "astronomical events, weather conditions and forecasts, recipes, and gardening tips."

Citation Maker

  • Knightcite
    An up-to-date online citation generator service provided free of charge by the Hekman Library of Calvin College, able to quickly generate citations for the three main academic citation styles: Modern Language Association (MLA), American Psychological Association (APA), or Chicago Manual of Style.

    You can save, and alphabetize, edit and export citations into an rtf or word document and generate a bibliography with the appropriate format.
  • Citation Machine
    An interactive tool useful for creating reference citations for Modern Language Association (7th ), American Psychological Association (6th), Turabian and Chicago citation styles.
  • Turabian and MLA 7th ed. Free Citation Generator & Bibliography Maker
    A free web based program for citing resources according to Kate L. Turabian "A Manual for Writers of Term Papers, Theses, and Dissertations" 7th edition and MLA Manual 7th edition.
  • BibMe
    This is a "fully automatic bibliography maker that auto-fills. It's the easiest way to build a works cited page. Search for a book, article, website, or film, or enter the information yourself; add it to your bibliography. Download your bibliography in either the MLA, APA, Chicago, or Turabian formats and include it in your paper".
  • EasyBib
    EasyBib offers a simple, easy and free way for students to create bibliographies and get citations, automatically.

Citation Manual and Style Guides

American Psychological Association (APA)
  • APA Electronic References
    Includes information on "how to cite email communications, web sites, specific documents on a web site, articles and abstracts from electronic databases, and web citations in text".
  • APA Formatting and Style Guide ( Purdue University Online Writing Lab)
    Provides examples for the "general format of APA research papers, in-text citations, endnotes/footnotes, and the reference page".
  • APA Citation Guide ( Ohio State University )
    Provides basic guidelines on how to cite sources and offers sample citation format based on the Publication Manual of the American Psychological Association, 5th edition, 2001.

Modern Language Association Handbook (MLA)
  • MLA Formatting and Style Guide (Purdue University Online Writing Lab)
    Discusses "guidelines for the general format of MLA research papers, in-text citations, endnotes/footnotes, and the works cited page."
  • MLA Citation Style (Ohio State University)
    Provides instructions for reference citations in papers adopting the format prescribed by the MLA Handbook for Writers of Research Papers, 6th ed. (Modern Language Society, 2003).

Chicago and Turabian Manual of Citation
  • Turabian and Chicago Styles Citation (University of California Berkeley Library)
    Provides basic guidelines for documenting and citing references as prescribed in Chicago Manual of Style and Kate L. Turabian’s A Manual for Writers of Term Papers, Thesis and Dissertations and includes examples.

Council of Biology Editors (CBE Style) and Council of Science Editors (CSE Style)
  • CBE Style to Cite and Document Sources (Online! Citation Styles)
    Serves to guide the researcher in citing and documenting online materials as set forth in the sixth edition of Scientific Style and Format: The CBE Manual for Authors, Editors, and Publishers, published by the Council of Biology Editors (now the Council of Science Editors) in 1994.
  • CSE Citation Guide (Ohio Sate University)
    Presents sample citation format based on Scientific Style and Format: The CSE Manual for Authors, Editors, and Publishers 7th edition, 2006.
  • Research and Documentation Online
    Provides "guidelines for documenting and citing print and online sources in the humanities, social sciences, history and the sciences and includes samples of bibliographies and list of works cited using MLA, APA, Chicago, and CBE style."
  • Citing Information: CSE/CBE Style (University of North Carolina)
    Discusses guidelines and provides specific examples on " how to provide in-text citations in CSE style, using both the name-year and citation-sequence systems ; how to cite print and online sources in a works-cited page in the name-year system ; and how to cite print and online sources in a works-cited page in the citation-sequence system."

Dictionaries and Thesaurus

  • Merriam-Webster online
    Facilitates access to the print version of Merriam Webster Collegiate Dictionary Eleventh Edition. Includes thesaurus, audio pronunciations feature, real time words, word games, and other materials in the English language.
  • Cambridge Dictionaries Online
    Intended for non native speakers, this site provides searchable versions of Cambridge's Advanced Learner's Dictionary, Dictionary of American English, International Dictionary of Phrasal Verbs, International Dictionary of Idioms, Lerner's Dictionary, Diccionario Cambridge Klett Compact ( English-Spanish ), and Dictionnaire Cambridge Klett Compact ( English- French ).
  • The Free Dictionary
    Serves as "English, Medical, Legal, Financial, and Computer Dictionaries, Thesaurus, Acronyms, Idioms, Encyclopedia, a Literature Reference Library, and a Search Engine all in one".
  • Defined As
    Compile legal, business and economics definitions from various sources, including vocabularies, books, academic journal articles, various manuals and white papers.

  • Law Dictionary
    This site offers "a free online law dictionary search engine for definitions of law terminology and legal terms."
  • Law.Com Dictionary
    This online dictionary provides a simple and a cost effective way of searching definition of legal terms.
  • Free US Law Dictionary
    This "dictionary references the most commonly requested legal terms and definitions which have been contributed by thousands of internet users."
  • Duhaime's Law Dictionary
    Duhaime's Law Dictionary " offers a one-stop shopping to those who occasionally need to know what a certain legal word means. The definition shows samples of the word used in a law or how it may have been described or used in a law book or a case.'' Links to cited cases are also provided.
Philippine Online Dictionary

  • Hiligaynon-English Dictionary
    Facilitates access to the print version of John Kaufmann's Visayan-English Dictionary, one of the best dictionaries ever written for the Hiligaynon language.
  • The Online Ilokano Dictionary Project
    An online Ilokano resource material designed to facilitate the communication between the Ilokano and English speakers of the language.

Metric Conversion

These sites offer tools for conversion of weight, temperature, length, area, speed, power, pressure, speed and time, fraction to decimals, BMI or the body mass, recipes, etc. to a metric measures.

Statistics and Demographics


  • Development and Globalization: Facts and Figures (UNCTAD) - (pdf file)
    Published by UNCTAD, this compact statistical reference source covers subjects such as trade, investment, external finance, commodities and manufactures, together with relevant facts about population.
  • Economic and Social Survey of Asia and the Pacific - (pdf file)
    The "oldest and most comprehensive annual review of economic and social development in Asia and the Pacific". It outlines "policies to sustain dynamic growth and to make it inclusive such as boosting internal demand, enhancing connectivity to create a seamless and region-wide market, and building productive capacities in the least developed countries".
  • International Trade and Tariff Data (WTO)
    This reference material contains a "comprehensive, comparable and up-to-date statistics on trade in merchandise and commercial services for an assessment of world trade flows by country, region and main product groups or services by category."
  • Key Indicators
    Key Indicators is the "flagship annual statistical publication of the Asian Development Bank (ADB). It presents the most current economic, financial and social data on ADB's regional members.
  • Least Developed Countries Report (UNCTAD) - (pdf)
    This is an indispensable statistical reference tool which offers "a comprehensive and authoritative source of socio-economic analysis and data on the world´s most impoverished countries."
  • The Statistical Database System (SDBS)
    It is the Asian Development Bank's "central statistical database that stores macro-economic and social data of its developing member countries (DMCs). The SDBS data come from statistical contacts that are mostly national statistics offices and central banks of the DMCs. SDBS also store data from other international organizations' databases and websites.
  • World Economic Outlook
    Provides the IMF staff's "analysis and projections of economic developments at the global level, in major country groups (classified by region, stage of development, etc.), and in many individual countries. It also focuses on major economic policy issues as well as on the analysis of economic developments and prospects".
  • World Tariff Profiles (UNCTAD)
    Jointly published by the World Trade Organization (WTO), the United Nations Conference on Trade and Development (UNCTAD), this statistical publication gives a "comprehensive picture of tariff and "ad valorem" equivalents in an abridged format."


  • Bureau of Agricultural Statistics (Philippines)
    A valuable reference tool which contains statistical data relevant to crops, livestock and poultry, fisheries, agricultural exports and imports, trade performance of selected major agricultural commodities, food sufficiency, security, supply and consumption, prices and market supply situation and outlook of agricultural commodities, etc.
  • Bureau of Labor and Employment Statistics (BLES)
    This website provides the most recent statistical data on labor and employment particularly survey results on labor turnover and labor force, CPI/inflation rate, OFW remittance, gender statistics on labor and employment among others.
  • National Statistics Office (NSO)
    Published monthly by the National Statistics Office (NSO), this website contains statistics "on labor and employment, manufacturing indices, family income and expenditures, population statistics and private building construction, previous month's estimates of CPI and inflation rate, including the most recent foreign and domestic trade figures."
  • National Statistical Coordination Board (NSCB)
    This website is basically designed to provide users the latest information and updates relative to statistical matters in the country.

Time Zone Conversion

These sites are instructive in converting time difference between two cities with the time difference calculator. This time zone conversion take into account daylight saving time (DST), local time zone and accepts present, past or future dates.