Cita APA

Carol super & Ronald d.gold. (2004). Selling without selling: 4 1/2 steps to success. Amacom.

Citación estilo Chicago

Carol super and Ronald d.gold. Selling Without Selling: 4 1/2 Steps to Success. New york: Amacom, 2004.

Cita MLA

Carol super and Ronald d.gold. Selling Without Selling: 4 1/2 Steps to Success. Amacom, 2004.