Citazione Stile APA (7a Edizione)

Zeithaml Valarie A. & Bitner Mary Jo. (2005). Services Marketing, Integrating Customer Focus Across the Firm (3rd.). Tata Mc Graw Hill Publishing.

Citazione stile Chigago Style (17a edizione)

Zeithaml Valarie A. e Bitner Mary Jo. Services Marketing, Integrating Customer Focus Across the Firm. 3rd. New Delhi: Tata Mc Graw Hill Publishing, 2005.

Citatione MLA (9a ed.)

Zeithaml Valarie A. e Bitner Mary Jo. Services Marketing, Integrating Customer Focus Across the Firm. 3rd. Tata Mc Graw Hill Publishing, 2005.