Bennett, G. (2007). Consultative closing: Simple steps that build relationships and win even the toughest sale. AMACOM.
Cita Chicago (17th ed.)Bennett, Greg. Consultative Closing: Simple Steps That Build Relationships and Win Even the Toughest Sale. New York: AMACOM, 2007.
Cita MLA (9th ed.)Bennett, Greg. Consultative Closing: Simple Steps That Build Relationships and Win Even the Toughest Sale. AMACOM, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.