Dyfyniad APA

Newell. Histories of Dirt. Duke University Press.

Dyfyniad Arddull Chicago

Newell. Histories of Dirt. Duke University Press.

Dyfyniad MLA

Newell. Histories of Dirt. Duke University Press.

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