Ryan William T Principles of marketing. Ed. by Roger H Hermanson - 3 - Homewood Dew Jone Irwin 1980 - xii,255p cm. - Personal Learning Aid Series . Appendix: p 187-95; Glossary: p 196-217 ISBN: 0256022208 Source: General Book Subjects--Topical Terms: Marketing Dewey Class. No.: X:51, M0