The book is all about the citation pattern used by students and scholars of Dibrugarh University, Assam, India in order to write their Theses and Dissertations. As per the survey made and analysis of the data gathered shows their preferences for different sources of information. It tells about the present trend of research in chemistry which will definitely be a help for ongoing research projects in this field. The book is showing a picture of interests of scholars around the globe for documentary and non-documentary sources to have a review of literature of their topic of interest.