Costell, J. (2004). The science of sales success: A proven system for high-profit, repeatable results. Amacom.
Chicago Style (17th ed.) CitationCostell, Josh. The Science of Sales Success: A Proven System for High-profit, Repeatable Results. NY: Amacom, 2004.
MLA (9th ed.) CitationCostell, Josh. The Science of Sales Success: A Proven System for High-profit, Repeatable Results. Amacom, 2004.
Warning: These citations may not always be 100% accurate.