Dyfyniad APA

Birmingham. Spirits of Earth. University of Wisconsin Press.

Dyfyniad Arddull Chicago

Birmingham. Spirits of Earth. University of Wisconsin Press.

Dyfyniad MLA

Birmingham. Spirits of Earth. University of Wisconsin Press.

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