This document discusses referencing styles and provides guidance on citing sources. It defines referencing and citing, and distinguishes between references and bibliographies. Reasons for referencing include acknowledging others' work, allowing readers to find sources, avoiding plagiarism, and adding credibility. The document reviews several referencing styles including APA, Chicago, and MLA styles. It provides examples of how to reference different source types such as books, journal articles, and websites. Referencing tools that can help manage citations are also introduced.