There are ten types of literature: monographs, periodicals, books, newspapers, conference documents, scientific and technological reports, standard documents, patent documents, dissertations and government publications. The specific types and characteristics are as follows: 1. Monograph: a work that comprehensively and systematically discusses a subject or a topic. Generally, it is the result of careful and systematic investigation or research on specific problems.
2. Periodicals: Periodicals published regularly or irregularly, including weekly, monthly, bimonthly and quarterly.
3. Books: Any document that exceeds 48 pages in length and constitutes a bibliographic unit is called a book.
4. Newspapers: Newspapers refer to paper publications that mainly publish news and news comments. They are usually printed in loose pages without binding and cover.
5. Meeting documents: Meeting documents can be divided into three types: before, during and after the meeting.
6. Science and technology report: Science and technology report refers to the report that records the results or progress of investigation, experiment and research of a scientific research project, also known as research report and report literature.
7. Standard literature.
8. Patent documents: Patent documents refer to documents that record information about inventions and creations.
9. Dissertation: Dissertation refers to the paper written by the person who is awarded a degree in order to obtain the degree he has studied.
10, government publication: also known as "official publication". It is an official document issued by government departments and their specialized agencies according to state orders.