Zeithaml, V. (2000). services marketing: Integrating customer focus across the firm (2nd.). TMH.
Citace podle Chicago (17th ed.)Zeithaml, Valeria. Services Marketing: Integrating Customer Focus Across the Firm. 2nd. New delhi: TMH, 2000.
Citace podle MLA (9th ed.)Zeithaml, Valeria. Services Marketing: Integrating Customer Focus Across the Firm. 2nd. TMH, 2000.
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