How do I write annotated bibliographies?

What is an Annotated Bibliography? - (Cornell University Library)
Academic Writing: Annotated Bibliography - (UW-Madison Writing Center)
Annotated Bibliographies - (Purdue University)
How to Write Annotated Bibliographies - (Memorial University of Newfoundland Libraries)
How to Write an Annotated Bibliography - (University of California, Santa Cruz)
Writing Annotated Bibliographies - (Claremont Graduate University Writing Center)
Annotated Bibliography - (St. Cloud State University Literacy Education Online)