Cita APA (7th ed.)
Zeithaml, V. A., & Bitner, M. J. (2003). Services marketing: Integrating customer focus across the firm (3rd ed.). Tata McGraw-Hill/Irwin.
Cita Chicago (17th ed.)
Zeithaml, Valarie A., i Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. New Delhi: Tata McGraw-Hill/Irwin, 2003.
Cita MLA (9th ed.)
Zeithaml, Valarie A., i Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. Tata McGraw-Hill/Irwin, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.