Dyfyniad APA

Dale Carnegie. (2011). How to Win Friends and Influence People in the Digital Age. London.

Dyfyniad Arddull Chicago

Dale Carnegie. How to Win Friends and Influence People in the Digital Age. London, 2011.

Dyfyniad MLA

Dale Carnegie. How to Win Friends and Influence People in the Digital Age. London, 2011.

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