The format of references cited in national standards is 1, and the description rules of references after text are GB/T77 14-2005, which are applicable to "the description rules of references after text catalogued by authors and editors, but not used by librarians, catalogers and index editors".

2. The specific arrangement of sequential coding system. References are continuously coded with Arabic numerals in the order in which they appear in the text, and the serial numbers are placed in square brackets. If the file is referenced repeatedly, it is marked with the same serial number in the text. Generally speaking, the page number (or page number range) of a document cited once is listed in the following references.

For the documents cited many times in the format of "publication year" or "year, volume (issue)", the page number or page number range of each reference is listed in the serial number tag (some publications also regard the information that can indicate the location of the cited documents as page numbers).

Put it in square brackets (only numbers are listed, and there are no words and characters such as "p" and "page"); The line in the middle of the page number range is a half-word line) and marked with superscript.

3. The types of references and literature types should be identified with a single letter according to GB3469-83 "Document Types and Document Carrier Codes".