Dyfyniad APA

Morgan. Collards. The University of Alabama Press.

Dyfyniad Arddull Chicago

Morgan. Collards. The University of Alabama Press.

Dyfyniad MLA

Morgan. Collards. The University of Alabama Press.

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