APA সাইটেশন

Zeithaml, V. A. (2006). Services marketing: Integrating customer focus across the firm. Boston: McGraw-Hill/Irwin.

শিকাগো স্টাইলে সাইটেশন

Zeithaml, Valarie A. Services Marketing: Integrating Customer Focus Across the Firm. Boston: McGraw-Hill/Irwin, 2006.

এমএলএ সাইটেশন

Zeithaml, Valarie A. Services Marketing: Integrating Customer Focus Across the Firm. Boston: McGraw-Hill/Irwin, 2006.