A bibliography is a list of cited works--journal articles, films, books--on a particular topic. Bibliographies are also referred to as 'References', 'Works Cited' or 'Works Consulted'. 
Bibliographies consist of citations--information on the sources: author(s), date of publication, title, and publisher's name and location (and for articles: journal title, volume, issue and page numbers). Citations allow the reader to find the sources used in the writing of a work.
An annotation is a 100-200 word description or evaluation of a publication ---a journal article, newspaper article or magazine article, for example.
An annotated bibliography is a collection of citations on a particular topic which includes a paragraph following each citation that describes, evaluates, or criticizes the work.
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