Dyfyniad APA

Hobson, A. (2003). The Oxford Dictionary of Difficult Words. Oxford.

Dyfyniad Arddull Chicago

Hobson, Archie. The Oxford Dictionary of Difficult Words. New Delhi: Oxford, 2003.

Dyfyniad MLA

Hobson, Archie. The Oxford Dictionary of Difficult Words. Oxford, 2003.

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