Wells William Advertising principles and practice / William Wells, Sandra Moriarty and John Burnett - 7th ed. - New Delhi : Printice -Hall of India , c2006. - xxix , 592 p . : ill , 26 cm. Includes index eng ISBN: 9788120333048 TZS 16651.244 Subjects--Topical Terms: MarketingAdvertising Dewey Class. No.: 559.1 WEL