If there is any difference, even if the punctuation is different, it should be marked as this reference. The function of quotation is to let others find the original source from here; If it is quoted from the original text, the text should be labeled.
Bibliography must include books or articles directly or indirectly cited by the paper; In addition, if the author of the paper wishes, he can also list books or articles that the author has read but not quoted in the process of research and writing.
Extended data:
Literature entries are arranged alphabetically by the author's surname (China's surname is based on its Chinese phonetic alphabet) and in Chinese and foreign languages respectively. At present, the entry should not be numbered, and the second line should be indented. Foreign documents come first, and China documents come last. The documents of the same author in different periods are arranged in order of publication time. Documents of the same author in the same year will be marked with English lowercase letters after the year (for example, 1999a, 1999b, 1999c).
Citation format: generally mentioned in the notes of the article or written directly in the article, or quoted (not required within 20 words).
According to whether the reference place is clear, there are clear references and implied references; According to the difference between the quoted text and the original text, there are direct quotation and intentional quotation; According to the correctness of deduction or theme, there are true quotations and false quotations.
Baidu Encyclopedia-Citation