The document discusses referencing and why it is important. It explains that referencing means showing where information or ideas come from to authenticate research, acknowledge original authors, and avoid plagiarism. It discusses different referencing systems like APA, Harvard, and MLA. In-text citations provide short references in the text, while end references in the reference list provide full details of sources. Examples are given of how to format in-text citations and end references for articles, books, and websites.