The document discusses referencing styles and the Harvard referencing style. It explains that referencing should start when searching for sources and include recording all source details to enable accurate referencing later. Referencing demonstrates appropriate research, acknowledges the ideas of others to avoid plagiarism, and is key to good academic practice. The document provides guidance on citing different source types such as books, journal articles, websites and more, in both in-text citations and reference lists. It also includes examples of references formatted in the Harvard style.