Dyfyniad APA

Fletcher, L. (1983). How to speak like a pro. New York: Ballantine books.

Dyfyniad Arddull Chicago

Fletcher, Leon. How to Speak Like a Pro. New York: Ballantine books, 1983.

Dyfyniad MLA

Fletcher, Leon. How to Speak Like a Pro. New York: Ballantine books, 1983.

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