The methods to find references in literature are: subject retrieval method, which is our daily method to find papers, that is, to input the subject, title and keywords of the papers into the paper website for retrieval.
Use academic search engines: Academic search engines such as GoogleScholar, PubMed and WebofScience can help you find relevant papers. You can enter keywords, author's name, article title and other information to search related literature.
The method of foreign language reference without page number is as follows: copy the title of the article to Baidu Academic, click on the citation to view Gu Fan Academic, and the same is true. Here, don't operate too fast, or you will be asked to log in to the account, but logging in to the account will cost money to get the reference information.
The traditional way to find references is through the library, and the books in the library are the main way to find traditional references. Compared with other ways, it has the advantages of convenience and practicality.