Dyfyniad APA

(2004). Link: Course book. Kennington, Oxford: New Edition.

Dyfyniad Arddull Chicago

Link: Course Book. Kennington, Oxford: New Edition, 2004.

Dyfyniad MLA

Link: Course Book. Kennington, Oxford: New Edition, 2004.

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