1. Books: principal, document title [document type identification], place of publication: publishing house, year of publication, page number (optional).

2. Periodical: main person in charge, document name [J], publication name, year, volume (issue): page number.

3. Meeting: the person who is mainly responsible for separating the document, the title of the separated document [a] the person who is mainly responsible for the original document (optional), the title of the original document [c], the place of publication: publisher, year of publication, starting and ending page numbers.

Commonly used literature types are identified by a single letter, as follows:

(1) journal [J] (journal)

(2) Monograph [M]

(3) Paper collection [c]

(4) Paper [D]

(5) patent [p] (patent)

(6) Technical standards (standardization)

Newspaper, newspaper article

(8) Science and Technology Report [R] (Report)