Dyfyniad APA

(2003). Public speaking: 10 ways to deliver your messge with confidence. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Public Speaking: 10 Ways to Deliver Your Messge With Confidence. New York: McGraw-Hill, 2003.

Dyfyniad MLA

Public Speaking: 10 Ways to Deliver Your Messge With Confidence. New York: McGraw-Hill, 2003.

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