Dyfyniad APA

Carnegie, D., & Carnegie, D. (2002). How to stop worrying and start living. Vermilion.

Dyfyniad Arddull Chicago

Carnegie, Dale, and Dorothy Carnegie. How to Stop Worrying and Start Living. London: Vermilion, 2002.

Dyfyniad MLA

Carnegie, Dale, and Dorothy Carnegie. How to Stop Worrying and Start Living. Vermilion, 2002.

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