Haas, Kenneth Brooks Professional salesmanship persuasion and motivation in marketing. - New York Rinehart and Winston [1962] - 498 p. illus. 24 cm. Includes bibliography. LCCN: 62008177 /L Subjects--Topical Terms: Salesmen and salesmanship LC Class. No.: HF5438 / .H1347 Dewey Class. No.: 658.85