Cita APA (7a ed.)

Quigg, B., & Wisner, B. (1998). Selling the right way! Prentice Hall.

Cita Chicago Style (17a ed.)

Quigg, Brooke, y Bern Wisner. Selling the Right Way! Upper Saddle River, N.J.: Prentice Hall, 1998.

Cita MLA (8a ed.)

Quigg, Brooke, y Bern Wisner. Selling the Right Way! Prentice Hall, 1998.