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