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 (9a ed.)

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