APA (7 वां संस्करण) प्रशस्ति पत्र
Cassara, L. (2004). From selling to serving: The essence of client creation. Dearborn Trade Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Cassara, Lou. From Selling to Serving: The Essence of Client Creation. Chicago, IL: Dearborn Trade Publishing, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Cassara, Lou. From Selling to Serving: The Essence of Client Creation. Dearborn Trade Publishing, 2004.
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