Dyfyniad APA

Bradbury, A. (2010). Successful presentation skills. London: Kogan Page.

Dyfyniad Arddull Chicago

Bradbury, Andrew. Successful Presentation Skills. London: Kogan Page, 2010.

Dyfyniad MLA

Bradbury, Andrew. Successful Presentation Skills. London: Kogan Page, 2010.

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