1. Author: including author's name, signature unit, etc.
2. Document title: including book title, article title, etc.
3. Title: refers to the name of the journal that published the article.
4. Publication year: refers to the year when the document was published.
5. Release place: refers to the place where the document is released.
6. Publishing House: the publishing house that points out the version of the document.
7. Version: refers to the version of the document, such as the first edition and the second edition.
8. Page number: refers to the page number range where the document is located.