Zeithaml, Valarie A Services marketing : integrating customer focus across the firm - 6th ed. - Delhi: McGraw Hill, 2016. - xxix,711p.: ill.;pbk. 24 cm. Includes index. ISBN: 9781259026812 Subjects--Topical Terms: Service industries marketingCustomer servicesMarketing Dewey Class. No.: 658.8 ZEI