Ronald. Friendly Fallout 1953. University of Nevada Press.
Dyfyniad Arddull ChicagoRonald. Friendly Fallout 1953. University of Nevada Press.
Dyfyniad MLARonald. Friendly Fallout 1953. University of Nevada Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.