The quoted national standard format is as follows:
1, title of periodical author [J]. Title, year of publication, volume (issue): page number.
2. Monograph author. Book title. Version (the first version is not recorded). Place of publication: publisher, year of publication: page numbers.
3. Title of the author of the anthology [C] Name of the editor's anthology, place of publication: publishing house, year of publication: starting and ending page numbers.
4. Title of dissertation author [D]. Save location Save unit year.
5. Title of the patent document [P]. Country. Types and patent numbers of patent documents. Date of publication.
The functions of references are:
1. Recording references can reflect the author's scientific attitude and the true and extensive scientific basis of the paper, as well as the starting point and depth of the paper.
2. Recording references can easily distinguish the author's achievements from those of predecessors.
3. Recording references can serve as an index.
4. Recording references helps to save the length of the paper.
5. Recording references is helpful for scientific and technological information personnel to carry out information research and abstract quantitative research.