Engel, James F. Promotional strategy: managing the marketing communications process / [by] James F.Engel, Martin R.Warshaw, Thomas C.Kinnear - 7th ed. - Boston Irwin 1991 - xxv, 753 p.- - Irwin series in marketing . Includes index. ISBN: 256082049 Subjects--Topical Terms: Marketing-Advertising Dewey Class. No.: 658.82 / ENG