Cita APA (7th ed.)
Super, C., & Gold, R. D. (2004). Selling without selling: 4 1/2 steps to success. AMACOM, American Management Association.
Cita Chicago (17th ed.)
Super, Carol, i Ronald D. Gold. Selling Without Selling: 4 1/2 Steps to Success. New York: AMACOM, American Management Association, 2004.
Cita MLA (9th ed.)
Super, Carol, i Ronald D. Gold. Selling Without Selling: 4 1/2 Steps to Success. AMACOM, American Management Association, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.