Lamb, Charles W. Essentials of marketing / Chanrles W. Lamb, Joseph F. Hair, Carl McDaniel - 7th ed. - Mason, Ohio : Cengage Learning, 2012 - xxiii, 648 p. : ill. ; 28 cm. Includes bibliographical references and index ISBN: 9780538478342 Subjects--Topical Terms: MarketingMarketing--Management