Dyfyniad APA

McNeill. Nature and the Iron Curtain. University of Pittsburgh Press.

Dyfyniad Arddull Chicago

McNeill. Nature and the Iron Curtain. University of Pittsburgh Press.

Dyfyniad MLA

McNeill. Nature and the Iron Curtain. University of Pittsburgh Press.

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