Dyfyniad APA

Carnegie, D. (2004). How to win friends and influence people. London: Vermilion.

Dyfyniad Arddull Chicago

Carnegie, Dale. How to Win Friends and Influence People. London: Vermilion, 2004.

Dyfyniad MLA

Carnegie, Dale. How to Win Friends and Influence People. London: Vermilion, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.