APA引文

Frederick, J. G. (1929). Selling by telephone. Business Bourse Publishers.

Chicago Style (17th ed.) Citation

Frederick, J. George. Selling by Telephone. New York: Business Bourse Publishers, 1929.

MLA引文

Frederick, J. George. Selling by Telephone. Business Bourse Publishers, 1929.

警告：這些引文格式不一定是100％准確.