The functions of references are listed as follows: ① to demonstrate the author's argument and inspire the author to think; ② Compared with the author's experimental results; ③ It reflects the serious attitude towards scientific research, and also provides relevant literature clues for readers to further study.

The number of cited references should not be too large, about 10 papers and about 20 review articles.

All the cited documents should be consulted by the author himself, and more attention should be paid to citing relevant papers published in authoritative professional magazines in recent years.

When listing references, they should be numbered in the order in which they appear in the article.

A complete reference book (book) should list the author (translator is indicated in the translation), title, page number, publishing house, publication time, edition number, etc.

A complete reference (paper) should list the author of the document, the title of the article, the name of the journal, the year/volume/issue, the starting and ending pages, etc.