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