Cohen, W. A. (1985). How to make it big as a consultant. Amacom.
Chicago Style (17th ed.) CitationCohen, William A. How to Make It Big as a Consultant. New York: Amacom, 1985.
MLA引文Cohen, William A. How to Make It Big as a Consultant. Amacom, 1985.
警告:這些引文格式不一定是100%准確.