Dyfyniad APA

Whiteman, W. Perfect public speaking. Goodwill Publishing House.

Dyfyniad Arddull Chicago

Whiteman, W.A. Perfect Public Speaking. New Delhi: Goodwill Publishing House.

Dyfyniad MLA

Whiteman, W.A. Perfect Public Speaking. Goodwill Publishing House.

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