Zeithaml , Valarie A,. Services marketing : : integrating customer focus across the firm / / by Valarie A Zeithaml & etal. - 6th ed. - New Delhi: Mcgraw hill., 2014. - 711p.: 23.4 cm. ISBN: 9781259026812 Subjects--Topical Terms: markeing Dewey Class. No.: 658.8