Zeithaml, V. A., Bitner, M. J., & Gremler, D. D. (2006). Services marketing: Integrating customer focus across the firm (4th ed.). McGraw-Hill.
Citace podle Chicago (17th ed.)Zeithaml, Valarie A., Mary Jo Bitner, a Dwayne D. Gremler. Services Marketing: Integrating Customer Focus Across the Firm. 4th ed. Boston, MA: McGraw-Hill, 2006.
Citace podle MLA (9th ed.)Zeithaml, Valarie A., et al. Services Marketing: Integrating Customer Focus Across the Firm. 4th ed. McGraw-Hill, 2006.
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