APA Citatie

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.

Chicago Style citaat

Zeithaml, Valarie A., en Valarie A. Zeithaml; Mary Jo Bitner; Dwayne D. Gremler. Services Marketing: Integrating Customer Focus Across the Firm. Boston: McGraw-Hill/Irwin, 2006.

MLA citatie

Zeithaml, Valarie A., en Valarie A. Zeithaml; Mary Jo Bitner; Dwayne D. Gremler. Services Marketing: Integrating Customer Focus Across the Firm. Boston: McGraw-Hill/Irwin, 2006.