The references of the paper do not have to be cited in the text. If there are references cited in the article, they must be marked. If the text is inspired by your own writing and is not directly cited, you can also mark the references.
In order to reflect the scientific basis of the article, the serious attitude of the author in respecting the research results of others, and the source of relevant information provided to readers, a reference list should generally be listed after the text.
Citations should be based on original documents and first-hand information. All quotations of other people's views or words, whether published or not, whether in paper or electronic form, must be cited or annotated. Any quoted literature should be stated truthfully. The introduction, comments, citations and annotations of existing academic results should be objective, fair and accurate. False annotation, forgery, tampering with documents and data, etc. are all academic misconduct.
Extended information
The reference type and document type are identified by single letters according to the provisions of GB3469-83 "Document Type and Document Carrier Code":
Monograph M; Newspaper N; Journal J; Patent document P; Compilation G; Ancient books O; Technical standards S;
Dissertation D; Scientific and technological report R; Reference tool K; Search tool W; Archives B; Audio tape A;
Chart Q; record L; product sample Film U; Slide Z; Microfilm F; Others E.
Baidu Encyclopedia-References