Boyd, Harper W. Marketing research : text and cases / Harper W. Boyd, Ralph Westfall and Stanley F. Stasch - 7th ed. - Illinois : Irwin, c1990. - xv, 816 p. : ill. ; 24 cm. ISBN: 8185386161 LCCN: Subjects--Topical Terms: Marketing researchMarketing LC Class. No.: HF5415.2 / .M3555 1990 Dewey Class. No.: 658.83 / B678m