Dyfyniad APA

Wall. Recipes for Thought. University of Pennsylvania Press.

Dyfyniad Arddull Chicago

Wall. Recipes for Thought. University of Pennsylvania Press.

Dyfyniad MLA

Wall. Recipes for Thought. University of Pennsylvania Press.

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