APA (7 वां संस्करण) प्रशस्ति पत्र
Goldstein, S. D. (2009). Superior customer satisfaction and loyalty: Engaging customers to drive performance. ASQ Quality Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Goldstein, Sheldon D. Superior Customer Satisfaction and Loyalty: Engaging Customers to Drive Performance. Milwaukee, Wisconsin: ASQ Quality Press, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Goldstein, Sheldon D. Superior Customer Satisfaction and Loyalty: Engaging Customers to Drive Performance. ASQ Quality Press, 2009.
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