Hill, N. (2003). hand book for measusing customer Satisfaction and loyalty. Infinity Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHill, Nigel. Hand Book for Measusing Customer Satisfaction and Loyalty. Delhi: Infinity Books, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHill, Nigel. Hand Book for Measusing Customer Satisfaction and Loyalty. Infinity Books, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.