Dyfyniad APA
Zeithaml, V. A., & Bitner, M. J. (2003). Services marketing: Integrating customer focus across the firm (3rd ed.). Tata McGraw-Hill/Irwin.
Dyfyniad Arddull Chicago
Zeithaml, Valarie A., and Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. New Delhi: Tata McGraw-Hill/Irwin, 2003.
Dyfyniad MLA
Zeithaml, Valarie A., and Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. Tata McGraw-Hill/Irwin, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.