Cita APA (7a ed.)

Cassell, J., & Bird, T. (2009). Brilliant selling: What the best sales people know, do and say (1st edition.). Pearson.

Cita Chicago Style (17a ed.)

Cassell, Jeremy, y Tom Bird. Brilliant Selling: What the Best Sales People Know, Do and Say. 1st edition. Harlow, England: Pearson, 2009.

Cita MLA (9a ed.)

Cassell, Jeremy, y Tom Bird. Brilliant Selling: What the Best Sales People Know, Do and Say. 1st edition. Pearson, 2009.