Citazione Stile APA (7a Edizione)

Zeithaml, V. A., Bitner, M. J., & Gremler, D. D. (2006). Services marketing: Integrating customer focus across the firm (4th ed.). McGraw-Hill/Irwin.

Citazione stile Chigago Style (17a edizione)

Zeithaml, Valarie A., Mary Jo Bitner, e Dwayne D. Gremler. Services Marketing: Integrating Customer Focus Across the Firm. 4th ed. Boston: McGraw-Hill/Irwin, 2006.

Citatione MLA (9a ed.)

Zeithaml, Valarie A., et al. Services Marketing: Integrating Customer Focus Across the Firm. 4th ed. McGraw-Hill/Irwin, 2006.