Manning, G. L., & Reece, B. L. (2007). Selling today: Creating customer value (Tenth edition.). Pearson Prentice Hall.
Dyfyniad Arddull ChicagoManning, Gerald L., and Barry L. Reece. Selling Today: Creating Customer Value. Tenth edition. Upper Saddle River, N.J.: Pearson Prentice Hall, 2007.
Dyfyniad MLAManning, Gerald L., and Barry L. Reece. Selling Today: Creating Customer Value. Tenth edition. Pearson Prentice Hall, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.