Citazione Stile APA (7a Edizione)

Zeithaml, V. A. (2013). Services marketing: Integrating customer focus across the firm. McGraw Hill Education..

Citazione stile Chigago Style (17a edizione)

Zeithaml, Valarie A. Services Marketing: Integrating Customer Focus Across the Firm. New Delhi: McGraw Hill Education., 2013.

Citatione MLA (9a ed.)

Zeithaml, Valarie A. Services Marketing: Integrating Customer Focus Across the Firm. McGraw Hill Education., 2013.