Dyfyniad APA

Rodenburg, P. (2009). Power presentation: Formal speech in an informal world. Penguin.

Dyfyniad Arddull Chicago

Rodenburg, Patsy. Power Presentation: Formal Speech in an Informal World. London: Penguin, 2009.

Dyfyniad MLA

Rodenburg, Patsy. Power Presentation: Formal Speech in an Informal World. Penguin, 2009.

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