Shapiro, B. P. (2002). Sprint selling [CD-ROM]. Harvard Business School Press.
Cita Chicago Style (17a ed.)Shapiro, Benson P. Sprint Selling [CD-ROM]. Boston: Harvard Business School Press, 2002.
Cita MLA (9a ed.)Shapiro, Benson P. Sprint Selling [CD-ROM]. Harvard Business School Press, 2002.
Precaución: Estas citas no son 100% exactas.