APA (7 वां संस्करण) प्रशस्ति पत्र
Güngör, H. (2007). Observing and registering emotional satisfaction of customer contacts: For customer satisfaction & loyalty. Vossiuspers UvA.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Güngör, Hüseyin. Observing and Registering Emotional Satisfaction of Customer Contacts: For Customer Satisfaction & Loyalty. Amsterdam: Vossiuspers UvA, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Güngör, Hüseyin. Observing and Registering Emotional Satisfaction of Customer Contacts: For Customer Satisfaction & Loyalty. Vossiuspers UvA, 2007.
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