Carnegie & Associates, D., & Petkoff, R. (2011). How to win friends and influence people in the digital age (Unabridged.). Simon & Schuster Audio.
Цитирование в стиле Чикаго (17-е изд.)Carnegie & Associates, Dale, и Robert Petkoff. How to Win Friends and Influence People in the Digital Age. Unabridged. New York: Simon & Schuster Audio, 2011.
Цитирование MLA (8-е изд.)Carnegie & Associates, Dale, и Robert Petkoff. How to Win Friends and Influence People in the Digital Age. Unabridged. Simon & Schuster Audio, 2011.
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