Canfield, Bertrand R. Sales administration principles and problems. - 3d ed. - New York Prentice-Hall 1954. - 662 p. illus. 24 cm. LCCN: 54008160 Subjects--Topical Terms: MarketingSales management LC Class. No.: HF5415 / .C26 1954 Dewey Class. No.: 658.8