Dyfyniad APA

Armstrong. The Pleasure in Drawing. Fordham University Press.

Dyfyniad Arddull Chicago

Armstrong. The Pleasure in Drawing. Fordham University Press.

Dyfyniad MLA

Armstrong. The Pleasure in Drawing. Fordham University Press.

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