APA (7 वां संस्करण) प्रशस्ति पत्र
Zeithaml, V. A., & Bitner, M. J. (2003). Services marketing: Integrating customer focus across the firm (3rd ed.). Tata McGraw-Hill/Irwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Zeithaml, Valarie A., और Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. New Delhi: Tata McGraw-Hill/Irwin, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Zeithaml, Valarie A., और Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. Tata McGraw-Hill/Irwin, 2003.
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