Columbia law review, Volume 50, 1950. The Columbia University Press.
Dyfyniad Arddull ChicagoColumbia Law Review, Volume 50, 1950. New York: The Columbia University Press.
Dyfyniad MLAColumbia Law Review, Volume 50, 1950. The Columbia University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.