Zeithaml, V. A. (2013). Services marketing: Integrating customer focus across the firm. McGraw Hill Education..
Citace podle Chicago (17th ed.)Zeithaml, Valarie A. Services Marketing: Integrating Customer Focus Across the Firm. New Delhi: McGraw Hill Education., 2013.
Citace podle MLA (9th ed.)Zeithaml, Valarie A. Services Marketing: Integrating Customer Focus Across the Firm. McGraw Hill Education., 2013.
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