Tietueen sitaatit
APA-viiteCheverton, 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.
Chicago-tyylinen lähdeviittausCheverton, Peter, ja Jan Paul van der Velde. Understanding the Professional Buyer: What Every Sales Professional Should Know About How the Modern Buyer Thinks and Behaves. London: Kogan Page, 2011.
MLA-viiteCheverton, Peter, ja 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.
Harvard-tyylinen lähdeviittausCheverton, 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. London: Kogan Page.