Zeithaml, V. A. (1990). Delivering quality service: Balancing customer perceptions and expectations. Free Press.
Chicago Style (17th ed.) CitationZeithaml, Valarie A. Delivering Quality Service: Balancing Customer Perceptions and Expectations. New York: Free Press, 1990.
MLA (9th ed.) CitationZeithaml, Valarie A. Delivering Quality Service: Balancing Customer Perceptions and Expectations. Free Press, 1990.
Warning: These citations may not always be 100% accurate.