APA (7 वां संस्करण) प्रशस्ति पत्र
Hoover, J., & Sparkman, B. (2006). How to sell to an idiot: 12 steps to selling anything to anyone. John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Hoover, John, और Bill Sparkman. How to Sell to an Idiot: 12 Steps to Selling Anything to Anyone. Hoboken, N.J.: John Wiley & Sons, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Hoover, John, और Bill Sparkman. How to Sell to an Idiot: 12 Steps to Selling Anything to Anyone. John Wiley & Sons, 2006.
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