APA-viite (7. p.)
Zeithaml, V. A., & Bitner, M. J. (2003). Services marketing: Integrating customer focus across the firm (3rd ed.). Tata McGraw-Hill/Irwin.
Chicago-viite (17. p.)
Zeithaml, Valarie A., ja Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. New Delhi: Tata McGraw-Hill/Irwin, 2003.
MLA-viite (9. p.)
Zeithaml, Valarie A., ja Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. Tata McGraw-Hill/Irwin, 2003.
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