APA citiranje
Zeithaml, V. A., Bitner, M. J., & Gremler, D. D. (2009). Services marketing: Integrating customer focus across the firm (5th ed.). McGraw Hill.
Chicago Style (17th ed.) Citation
Zeithaml, Valarie A., Mary Jo Bitner, and Dwayne D. Gremler. Services Marketing: Integrating Customer Focus Across the Firm. 5th ed. Boston: McGraw Hill, 2009.
MLA citiranje
Zeithaml, Valarie A., et al. Services Marketing: Integrating Customer Focus Across the Firm. 5th ed. McGraw Hill, 2009.
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