The document discusses different types of academic sources and how to evaluate online sources for research. It notes that academic sources are authoritative, cite other work, are peer-reviewed by other academics, present information objectively, and are written for other academics rather than a general audience. Some examples of academic sources given are journals, books from scholarly publishers, and certain websites from professional organizations. The document provides guidance on evaluating online sources based on their credibility, accuracy, reasonableness, and level of support or documentation. It also offers tips for using Wikipedia as a starting point for research but not as an academic source, as well as strategies for conducting active web research.