Cita APA (7a ed.)

Gamble, T. K., & Gamble, M. (2007). Sales scripts that sell (2nd ed.). AMACOM/American Management Association.

Cita Chicago Style (17a ed.)

Gamble, Teri Kwal, y Michael Gamble. Sales Scripts That Sell. 2nd ed. New York: AMACOM/American Management Association, 2007.

Cita MLA (8a ed.)

Gamble, Teri Kwal, y Michael Gamble. Sales Scripts That Sell. 2nd ed. AMACOM/American Management Association, 2007.