APA引文

Hays, S. (1973). The chemical and allied industries. London: Heinemann Educational Books.

Trích dẫn kiểu Chicago

Hays, Samuel. The Chemical and Allied Industries. London: Heinemann Educational Books, 1973.

MLA引文

Hays, Samuel. The Chemical and Allied Industries. London: Heinemann Educational Books, 1973.

警告：這些引文格式不一定是100％准確.