APA引文

Towle, L. W. (1948). International trade and commercial policy. New York: Harper & Brothers Publishers.

Trích dẫn kiểu Chicago

Towle, Lawrence W. International Trade and Commercial Policy. New York: Harper & Brothers Publishers, 1948.

MLA引文

Towle, Lawrence W. International Trade and Commercial Policy. New York: Harper & Brothers Publishers, 1948.

警告：這些引文格式不一定是100％准確.