The document provides guidance on referencing sources in academic work using the Harvard style. It explains that references are needed to acknowledge sources, avoid plagiarism, and allow readers to locate materials. Citations are used within the text to indicate sources, while references provide full details at the end. The document demonstrates how to create references using the library search tool and check them for accuracy using Cite Them Right Online. It provides examples of correctly formatted references for different source types like books, journal articles, and web pages.