Manning, G. L. (1987). Selling today: :A personel approach a extension of the marketing concept. Boston:Allyn and Bacon.
Chicago Style CitationManning, Gerald L. Selling Today: :A Personel Approach a Extension of the Marketing Concept. Boston:Allyn and Bacon, 1987.
MLA CitationManning, Gerald L. Selling Today: :A Personel Approach a Extension of the Marketing Concept. Boston:Allyn and Bacon, 1987.
Warning: These citations may not always be 100% accurate.