APA引文

Penson, H. (1933). The economics of business life. New York: Cambridge at the University Press.

Trích dẫn kiểu Chicago

Penson, Henry. The Economics of Business Life. New York: Cambridge at the University Press, 1933.

MLA引文

Penson, Henry. The Economics of Business Life. New York: Cambridge at the University Press, 1933.

警告：這些引文格式不一定是100％准確.