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.

Through China HowNet, China HowNet (CNKI) is the authoritative source of online literature. Most colleges and universities have cooperated with China Knowledge Network, and they can enjoy the treatment of downloading documents for free at school, while some other documents need to be charged. Besides, it's very convenient to find. Just enter the title of the document in the official website classified catalogue or retrieval area of China HowNet.

By using advanced retrieval in VIP journals, we can find the articles we need very accurately. Through Wanfang database, the retrieval method is to click on the home page and then search for advanced retrieval next to it, and then enter the retrieval area. Through Baidu Academic, the retrieval method is similar, just enter the name in the search bar.

Other sources of literature: The above are commonly used literature search methods. If there are some majors, you can search through these channels: open the world; Superstar books; E diagram; Reading shows Chinese; Bailianyun; Global cable TV, etc.

Literature periodicals, represented by [J], are generally short, about 2,000 words, with shallow contents, but they can understand their own research situation. Doctoral and master's dissertations, represented by [D], generally start at 30,000 words. For undergraduates, you can refer to doctoral and master's dissertations, learn from their chapter layout and typesetting, and give some basic ideas to your thesis.

Books, represented by [M], refer to books and monographs, and you can refer to corresponding books according to the needs of paper research. Newspaper literature, [N] said. Reportage, [R] said.