Dyfyniad APA
Etherington, B. (2006). Presentation skills for quivering wrecks. Cyan.
Dyfyniad Arddull Chicago
Etherington, Bob. Presentation Skills for Quivering Wrecks. London: Cyan, 2006.
Dyfyniad MLA
Etherington, Bob. Presentation Skills for Quivering Wrecks. Cyan, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.