Boyd Harper W. Marketing research : text and cases / Harper W. Boyd, Ralph Westfall, Stanley F. Stasch - 7th ed. - Homewood ill : Richard D. Irwin, inc., 2002. - xv, 815 p. : ill. ; 24 cm. Includes index. eng. ISBN: 8185386161 TZS 811.66 Subjects--Topical Terms: Marketing research Dewey Class. No.: 658.83 BOY