Manning, Gerald L.; Reece, Barry L.. (1992.). Selling today : an extension of the marketing concept / Gerald L. Manning, Barry L. Reece. Boston :: Allyn and Bacon,.
Manning, Gerald L.; Reece, Barry L.. Selling today : an extension of the marketing concept / Gerald L. Manning, Barry L. Reece. Boston :: Allyn and Bacon,, 1992.
Manning, Gerald L.; Reece, Barry L.. Selling today : an extension of the marketing concept / Gerald L. Manning, Barry L. Reece. Boston :: Allyn and Bacon,, 1992..