Zeithaml, V. A., Bitner, M. J., & Gremler, D. D. (2013). Services marketing : integrating customer focus across the firm / Valarie A. Zeithaml, Mary Jo Bitner, Dwayne D. Gremler: Integrating customer focus across the firm (6th ed.). McGraw-Hill Irwin.
Chicago Style (17th ed.) CitationZeithaml, Valarie A., Mary Jo Bitner, and Dwayne D. Gremler. Services Marketing : Integrating Customer Focus Across the Firm / Valarie A. Zeithaml, Mary Jo Bitner, Dwayne D. Gremler: Integrating Customer Focus Across the Firm. 6th ed. New York, NY: McGraw-Hill Irwin, 2013.
MLA (9th ed.) CitationZeithaml, Valarie A., et al. Services Marketing : Integrating Customer Focus Across the Firm / Valarie A. Zeithaml, Mary Jo Bitner, Dwayne D. Gremler: Integrating Customer Focus Across the Firm. 6th ed. McGraw-Hill Irwin, 2013.