Morpace International, Cambridge Systematics, National Research Council (U.S.). Transportation Research Board, Transit Development Corporation, & Transit Cooperative Research Program. (1999). A handbook for measuring customer satisfaction and service quality. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMorpace International, Cambridge Systematics, National Research Council (U.S.). Transportation Research Board, Transit Development Corporation, और Transit Cooperative Research Program. A Handbook for Measuring Customer Satisfaction and Service Quality. Washington, D.C: National Academy Press, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMorpace International, et al. A Handbook for Measuring Customer Satisfaction and Service Quality. National Academy Press, 1999.
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