Cita APA (7a ed.)

Cheverton, P., & Velde, J. P. v. d. (2011). Understanding the professional buyer: What every sales professional should know about how the modern buyer thinks and behaves. Kogan Page.

Cita Chicago Style (17a ed.)

Cheverton, Peter, y Jan Paul van der Velde. Understanding the Professional Buyer: What Every Sales Professional Should Know About How the Modern Buyer Thinks and Behaves. London ; Philadelphia: Kogan Page, 2011.

Cita MLA (8a ed.)

Cheverton, Peter, y Jan Paul van der Velde. Understanding the Professional Buyer: What Every Sales Professional Should Know About How the Modern Buyer Thinks and Behaves. Kogan Page, 2011.