Cita APA (7a ed.)

Cassell, J., & Bird, T. (2009). Brilliant selling: What the best sales people know, do and say. Prentice Hall.

Cita Chicago Style (17a ed.)

Cassell, Jeremy, y Tom Bird. Brilliant Selling: What the Best Sales People Know, Do and Say. Harlow, England ; New York: Prentice Hall, 2009.

Cita MLA (8a ed.)

Cassell, Jeremy, y Tom Bird. Brilliant Selling: What the Best Sales People Know, Do and Say. Prentice Hall, 2009.