This document discusses literature review and referencing styles. It begins by outlining the purposes of reviewing literature, including to review past work, support findings, and generate new ideas. It describes primary sources like original research and secondary sources like reviews. The document recommends reviewing literature from the past 5-10 years and using both primary and secondary sources. It also provides examples of online databases and journals. The rest of the document focuses on referencing styles, why they are important to avoid plagiarism, and examples of citing sources using the Vancouver style in a reference list.