Wentz Walter B Marketing research Management, methods and cases Wentz Walter B - 2 - New York Haper and Row 1979 - xii,770p cm. Glossary: p 740-60; Appendix: p 694-739 ISBN: 0060470062 Source: General Book Subjects--Topical Terms: Marketing Dewey Class. No.: X:51b4, L2;L9