APA引文

Ryans, J. K. (1990). Marketing strategies for the new Europe. New York: American marketing Association.

Trích dẫn kiểu Chicago

Ryans, John K. Marketing Strategies for the New Europe. New York: American marketing Association, 1990.

MLA引文

Ryans, John K. Marketing Strategies for the New Europe. New York: American marketing Association, 1990.

警告：這些引文格式不一定是100％准確.