APA (7th ed.) Zitazioa

Zeithaml, V. A., & Bitner, M. J. (2000). Services marketing: Integrating customer focus across the firm (2a. ed.). Irwin McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Zeithaml, Valarie A., eta Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 2a. ed. Boston: Irwin McGraw-Hill, 2000.

MLA (9th ed.) Zitazioa

Zeithaml, Valarie A., eta Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 2a. ed. Irwin McGraw-Hill, 2000.