Zeithaml, V. A., & Valarie A. Zeithaml; Mary Jo Bitner; Dwayne D. Gremler. (2006). Services marketing: Integrating customer focus across the firm. Boston: McGraw-Hill/Irwin.
শিকাগো স্টাইলে সাইটেশনZeithaml, Valarie A., এবং Valarie A. Zeithaml; Mary Jo Bitner; Dwayne D. Gremler. Services Marketing: Integrating Customer Focus Across the Firm. Boston: McGraw-Hill/Irwin, 2006.
এমএলএ সাইটেশনZeithaml, Valarie A., এবং Valarie A. Zeithaml; Mary Jo Bitner; Dwayne D. Gremler. Services Marketing: Integrating Customer Focus Across the Firm. Boston: McGraw-Hill/Irwin, 2006.
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