APA引文

Beckman, T. N. (1967). Marketing. New York: Ronald Press Co.

Trích dẫn kiểu Chicago

Beckman, Theodore N. Marketing. New York: Ronald Press Co, 1967.

MLA引文

Beckman, Theodore N. Marketing. New York: Ronald Press Co, 1967.

警告：這些引文格式不一定是100％准確.