APA (7th ed.) Zitazioa
Cohen, W. A. (2001). How to make it big as a consultant (3rd ed.). AMACOM.
Chicago Style (17th ed.) Zitazioa
Cohen, William A. How to Make It Big as a Consultant. 3rd ed. New York: AMACOM, 2001.
MLA (9th ed.) Zitazioa
Cohen, William A. How to Make It Big as a Consultant. 3rd ed. AMACOM, 2001.
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