APA (7th ed.) Zitazioa
Super, C., & Gold, R. D. (2004). Selling without selling: 4 1/2 steps to success. AMACOM, American Management Association.
Chicago Style (17th ed.) Zitazioa
Super, Carol, eta Ronald D. Gold. Selling Without Selling: 4 1/2 Steps to Success. New York: AMACOM, American Management Association, 2004.
MLA (9th ed.) Zitazioa
Super, Carol, eta Ronald D. Gold. Selling Without Selling: 4 1/2 Steps to Success. AMACOM, American Management Association, 2004.
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