Carnegie, D. (2009). How to win friends and influence people. Simon & Schuster.
Cita Chicago Style (17a ed.)Carnegie, Dale. How to Win Friends and Influence People. New York: Simon & Schuster, 2009.
Cita MLA (8a ed.)Carnegie, Dale. How to Win Friends and Influence People. Simon & Schuster, 2009.
Precaución: Estas citas no son 100% exactas.