Dyfyniad APA
Ellis, G. (2005). I Should Have Known Better. Thorogood.
Dyfyniad Arddull Chicago
Ellis, Geoffrey. I Should Have Known Better. London: Thorogood, 2005.
Dyfyniad MLA
Ellis, Geoffrey. I Should Have Known Better. Thorogood, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.