Reference list: An essential part of any research While writing a thesis, you use various sources of information that are helpful in your research work. These sources can be journals, theses, conference papers, newsletters, magazines, illustrations, internet sources, government reports, etc. It is important that you must cite all these sources in your thesis. Citing your sources gives due credit to the original author who has inspired your research work or whose text you have quoted in your thesis. It also saves you from the dreaded plagiarism trap.