This document discusses reference management and citation styles. It begins by outlining the key reasons for adding references: to give credit, add credibility, and help readers find more information. It then discusses impact factor and h-index as measures of scholarly impact. Different citation styles like APA, MLA, and Chicago are presented. The challenges of different styles are noted. Finally, the document introduces reference management software like Mendeley, describing its key features like the web importer tool and MS Word plugin to facilitate reference management.