Dyfyniad APA

Zeithaml, V. A., & Bitner, M. J. (2003). Services marketing: Integrating customer focus across the firm (3rd ed.). McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

Zeithaml, Valarie A., and Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. Boston: McGraw-Hill/Irwin, 2003.

Dyfyniad MLA

Zeithaml, Valarie A., and Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. McGraw-Hill/Irwin, 2003.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.