Abstract: a short summary of an article in an academic journal, usually appearing at the beginning of the article.
Catalog: an online listing of all the materials a library owns with a detailed description of each item and information on where they are located.
Citation: basic information about a specific source; a citation for a book includes author, title, publisher, place of publication and year of publication.
Database: a collection of organized information; Academic Search Complete is an example of an electronic database.
Journal: a publication that contains scholarly articles written by professors, researchers, or experts in a specific area; also called scholarly journals, academic journals and peer reviewed journals.
Periodical: a publication that appears on a continual and predictable schedule; examples include newspapers, magazines and journals.
Reference books: books such as encyclopedias, dictionaries and handbooks; these books provide key sources of information.