Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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