Dyfyniad APA

Nelson, P. E. (2008). Ispeak: Public Speaking for Contemporary Life. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Nelson, Paul E. Ispeak: Public Speaking for Contemporary Life. New York: McGraw-Hill, 2008.

Dyfyniad MLA

Nelson, Paul E. Ispeak: Public Speaking for Contemporary Life. New York: McGraw-Hill, 2008.

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