Dyfyniad APA
Carnegie, D., & Cole, B. (2011). How to win friends and influence people in the digital age. Simon & Schuster.
Dyfyniad Arddull Chicago
Carnegie, Dale, and Brent Cole. How to Win Friends and Influence People in the Digital Age. London: Simon & Schuster, 2011.
Dyfyniad MLA
Carnegie, Dale, and Brent Cole. How to Win Friends and Influence People in the Digital Age. Simon & Schuster, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.