Dyfyniad APA

Dale Carnegie. (1998). How To Stop Worrying And Start Living. Vermilion.

Dyfyniad Arddull Chicago

Dale Carnegie. How To Stop Worrying And Start Living. London: Vermilion, 1998.

Dyfyniad MLA

Dale Carnegie. How To Stop Worrying And Start Living. Vermilion, 1998.

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