Cita APA (7a ed.)

Manning, G. L. (2007). Selling today: Creating customer value (10th ed.). Prentice Hall PTR.

Cita Chicago Style (17a ed.)

Manning, Gerald L. Selling Today: Creating Customer Value. 10th ed. Upper Saddle River, New Jersey: Prentice Hall PTR, 2007.

Cita MLA (9a ed.)

Manning, Gerald L. Selling Today: Creating Customer Value. 10th ed. Prentice Hall PTR, 2007.