How do you write an annotated bibliography for the purpose of post-field research in a National Park? Objective How can we measure the importance of a National Park in an accurate and academically correct manner? Background Creating an Annotated Bibliography of 10 sources: An annotated bibliography is a list of citations to books, articles, and documents. Each citation is followed by a brief (usually about 150 words) descriptive and evaluative paragraph, the annotation. The purpose of the annotation is to inform the reader of the relevance, accuracy, and quality of the sources cited. These sou Duration: 90 Minutes.