APA সাইটেশন

Zeithaml, V. A. B. (2003). Services Marketing: Integrating customer focus accross the firm (3 edition.).

শিকাগো স্টাইলে সাইটেশন

Zeithaml, Valarie A; Bitner. Services Marketing: Integrating Customer Focus Accross the Firm. 3 edition. Tata Mc Graw Hill: New Delhi, 2003.

এমএলএ সাইটেশন

Zeithaml, Valarie A; Bitner. Services Marketing: Integrating Customer Focus Accross the Firm. 3 edition. 2003.