Boyd, Harper W. Marketing research : Text and cases / Harper W. Boyd, Ralph Westfall [and] Stanley F. Stasch. - 7th ed. - Homewoood, Illinois : Richard D.Irwin, Inc., 2002 - xv, 816 p. : ill. ; 24 cm. ISBN: 8185386161 Subjects--Topical Terms: Marketing research Dewey Class. No.: 658.8 / BOY