According to GB3469-83 "File Types and File Carrier Codes", reference file types and file types are identified by a single letter:

Monograph m; Newspaper n; Journal j; Patent document p; Compilation g; Ancient books o; Technical standards;

Dissertation d; Scientific and technological report; Reference tool k; Search tool w; File b; Tape a;

Chart q; Record l; Product sample x; Video tape v; Meeting minutes; Chinese translation test;

Music score I; Movie y; Manuscript h; Microfilm u; Slide z; Miniature flat film f; Other e.

Extended data:

Reference type:

1, monographs, papers, dissertations and reports

Format: [serial number] Principal. Document Title [Document Type ID]. Place of publication: publisher, year of publication. Starting and ending page numbers (optional)

Liu Guojun, Chen Shaoye. Library catalogue [M]. Beijing: Higher Education Press,1957.15-18.

2. Journal articles

Format: [serial number] Principal. File title [J]. Publication name, year, volume (issue): page numbers.

[1] He Lingxiu. Read the history of Nanming [J]. Study on the History of China, 1998, (3): 167- 173.

[2] Ou Jianping, Song Tingtong, et al. Recently

Research progress in application of passive energy dissipation

System [J]. Earth Gaga Project,1997,38 (3): 358-361.

3. The precipitation documents in the paper set.

Format: [SN] Principal responsible person of precipitation document. Title of precipitation document [A]. Principal of the original voucher (optional). Title of original file [C]. Place of publication: publisher, year of publication. Start and end page numbers.

Zhong wenfa The Application of Nonlinear Programming in the Distribution of Combustible Poisons [A]. Zhao Wei. Theory and Application of Operations Research-Proceedings of the Fifth Congress of China Logistics Society [C].Xi 'an: xidian university Publishing House, 1996. 58666.86866868666

4. Newspaper articles

Format: [serial number] Principal. File title [N]. Newspaper name and publication date (edition)

[8] Xie Xide. Create new learning ideas. People's Daily,1998-12-25 (10).

5. Electronic documents

[Identification of file type/carrier type ]: [J/OL] online journals, [EB/OL] online electronic bulletin, [M/CD] CD books, [DB/OL] online database and [DB/MT] tape database.

【 Serial number 】 Principal responsible person. Title of electronic document [identification and carrier type of electronic document]. The publication or acquisition address, publication update date/citation date of the electronic document.

Wang Mingliang. On the progress of standardized database system engineering of academic journals in China [EB/OL].

Wanjin Abstract of Journal of China University (1983- 1993). English version [DB/CD] Beijing: China Encyclopedia Publishing House, 1996.

Baidu Encyclopedia-References