Dyfyniad APA

Ott, J. N. (1970). How to write and deliver a speech. Tridrent Press.

Dyfyniad Arddull Chicago

Ott, John Nash. How to Write and Deliver a Speech. New York: Tridrent Press, 1970.

Dyfyniad MLA

Ott, John Nash. How to Write and Deliver a Speech. Tridrent Press, 1970.

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