A reference list is a formal list of sources cited in a document or research paper. There are a variety of synonyms for reference list including - bibliography, works cited, citation list, reading list, and sources consulted. Bibliography usually covers books, articles, essays, and documents, while works cited refers to sources specifically cited within the document. On the other hand, a citation list typically includes a comprehensive list of all sources consulted during the research process. A reading list, however, is a list of suggested works to read to enhance one's knowledge on a subject. Finally, sources consulted refer to all relevant sources used for gathering information to complete the research.