How to Prepare an Annotated Bibliography: The Annotated Bibliography - Cornell University Library
A clear, concise introduction to preparing an annotated bibliography. An excellent place to start.
Writing Annotated Bibliographies - U. Wisconsin-Madison Writing Center
A very detailed and extensive site, covering all sorts of aspects of writing an annotated bibliography. A wide range of options, approaches and possibilities. Complete with examples.
How to do library research: How to Create an Annotated Bibliography - Salisbury University
Creating an annotated bibliography involves gathering the most important sources of information about one's topic. These sources can be used later as evidence to support an argument or analysis of a larger research project, like a research essay.