Allen, Robert Y., 1938- Selling dynamics / Robert Y. Allen, Robert F. Spohn, I. Herbert Wilson. - New York : McGraw-Hill, 1984. - xx, 487 p. : ill. ; 25 cm. - McGraw-Hill series in marketing. . Includes bibliographical references and index. ISBN: 0070011613 LCCN: 83011354 Subjects--Topical Terms: Selling. LC Class. No.: HF5438.25 / .Al5 1984 Dewey Class. No.: 658.8/5