What are the letters in the references of the paper?

The specific meaning of letter identification in references

The type of reference (that is, the source of the citation) is identified by a single letter: M - monograph, C - collection of papers, N - —Newspaper article, J—Journal article, D—Dissertation, R—Report, S—Standard, P—Patent, A—Documents extracted from monographs or collections of papers; for documents that do not belong to the above types, Use the letter "Z" logo.

References should always be placed at the end of the article. The format is:

(1) Examples of monographs

[1] Zhang Zhijian. Research on Yan Fu’s Thoughts[M]. Guilin: Guangxi Normal University Press, 1989.

[2] The Complete Works of Marx and Engels: Volume 1 [M]. Beijing: People's Publishing House, 1

(2) Examples of Essay Collection

[1] Wu Lifu. Western Literature Selected Essays [C]. Shanghai: Shanghai Translation Publishing House, 1979.

[2] Belinsky. On Russian Novellas and Gogol's Novels [A]. Wu Lifu. Selected Western Literature: Volume 2 [C]. Shanghai: Shanghai Translation Publishing House, 1979.

When citing the page number of a monograph, add parentheses and place it after the serial number in the text.

(3) Examples of newspaper articles

[1] Li Dalun. The importance of economic globalization [N]. Guangming Daily, 1998-12-27, (3)

(4) Examples of journal articles

[1] Guo Yingde. Essays on the literary history of Yuan and Ming Dynasties [J]. Journal of Beijing Normal University (Social Science Edition), 1995 (3).

(5) Dissertation Examples

[1] Liu Wei. Theoretical and empirical research on different visual recognition methods of Chinese characters [D]. Beijing: Department of Psychology, Beijing Normal University, 1998.

(6) Report examples

[1] Bai Xiushui, Liu Gan, Ren Baoping. Research on the cultivation and development of the three major factor markets of finance, talent and technology in Xi'an [R]. Xi'an: Shaanxi Northwest Economic Development Research Center of Normal University, 1998.