APA (7 वां संस्करण) प्रशस्ति पत्र
Walther, G. R. (2005). Heat up your cold calls: How to make prospects listen, respond, and buy. Dearborn Trade Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Walther, George R. Heat Up Your Cold Calls: How to Make Prospects Listen, Respond, and Buy. Chicago: Dearborn Trade Pub., 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Walther, George R. Heat Up Your Cold Calls: How to Make Prospects Listen, Respond, and Buy. Dearborn Trade Pub., 2005.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.