Zeithamal, Valarie A. Services marketing : Integrating customer focus across the firm / Valarie A Zeithaml, Mary Jo Bitner, Dwayne D. Gremler. - 4th ed. - New York : McGraw Hills, c2006 - xxvii.,708 p. : ill. ; 26 cm. Includes bibliographical references and index ISBN: 9780071244961 Subjects--Topical Terms: MarketingCustomer service Dewey Class. No.: 658.8127 / ZEI