APA (7e ed.) Bronvermelding
Cohen, W. A. (2001). How to make it big as a consultant (3rd ed.). AMACOM.
Chicago (17e ed.) Bronvermelding
Cohen, William A. How to Make It Big as a Consultant. 3rd ed. New York: AMACOM, 2001.
MLA (9e ed.) Bronvermelding
Cohen, William A. How to Make It Big as a Consultant. 3rd ed. AMACOM, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.