Pride, William M. Marketing : concepts and strategies / William Pride, O.C. Ferrell. - 6th ed. - Boston, Mass. : Houghton Mifflin Co., c1989. - various pages : col. ill. Includes index. ISBN: 039536938x LCCN: 90083026 Subjects--Topical Terms: Marketing. LC Class. No.: HF5415 / .P7