Dyfyniad APA

Pyle. Through a Green Lens. Oregon State University Press.

Dyfyniad Arddull Chicago

Pyle. Through a Green Lens. Oregon State University Press.

Dyfyniad MLA

Pyle. Through a Green Lens. Oregon State University Press.

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