Zeithaml, V. A. (2003). Services marketing ed.3integrating customer focus across the firmValarie A. Zeithaml, Mary Jo Bitner. McGraw-Hill.
Citace podle Chicago (17th ed.)Zeithaml, Valarie A. Services Marketing Ed.3integrating Customer Focus Across the FirmValarie A. Zeithaml, Mary Jo Bitner. McGraw-Hill, 2003.
Citace podle MLA (8th ed.)Zeithaml, Valarie A. Services Marketing Ed.3integrating Customer Focus Across the FirmValarie A. Zeithaml, Mary Jo Bitner. McGraw-Hill, 2003.
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