This document provides an overview of various types of academic writing, including peer-reviewed journal articles, academic journals, white papers, newspapers, empirical studies, literature reviews, book reviews, and annotated bibliographies. It summarizes the key properties and purposes of each writing type. The document concludes that books and peer-reviewed articles are the most preferred sources for graduate writing because they are written by experts in the field, undergo peer review, contain specialized language and citations, and present in-depth information on a topic.