Zeithaml, V. A., & Bitner, M. J. (2003). Services marketing: Integrating customer focus across the firm (3rd ed.). McGraw-Hill/Irwin.
Čikaški stil citiranja (17. izdanje)Zeithaml, Valarie A., i Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. Boston: McGraw-Hill/Irwin, 2003.
MLA način citiranja (8. izdanje)Zeithaml, Valarie A., i Mary Jo Bitner. Services Marketing: Integrating Customer Focus Across the Firm. 3rd ed. McGraw-Hill/Irwin, 2003.
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