Cornwall, M. (2012). The devil's wall: The nationalist youth mission of Heinz Rutha. Harvard University Press.
Dyfyniad Arddull ChicagoCornwall, Mark. The Devil's Wall: The Nationalist Youth Mission of Heinz Rutha. Cambridge, Mass.: Harvard University Press, 2012.
Dyfyniad MLACornwall, Mark. The Devil's Wall: The Nationalist Youth Mission of Heinz Rutha. Harvard University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.