Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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