Engel, James F. Promotional strategy : managing the marketing communications process / James F. Engel, Martin R. Warshaw, Thomas C. Kinnear. - 4th ed. - Homewood, Ill. : R. D. Irwin, 1979. - xiv, 755 p., [2] leaves of plates : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 0256021562 Subjects--Topical Terms: Marketing.Advertising.Marketing--Management. Dewey Class. No.: 659 / ENP 1979