Zeithaml, V. A., & Bitner, M. J. (2000). Services marketing: Integrating customer focus across the firm (2nd ed.). Boston: Irwin/McGraw-Hill.
Παραπομπή Chicago StyleZeithaml, Valarie A., και Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 2nd ed. Boston: Irwin/McGraw-Hill, 2000.
Παραπομπή MLAZeithaml, Valarie A., και Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 2nd ed. Boston: Irwin/McGraw-Hill, 2000.
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