Columbia law review, Volume 94, Nos 1-2 , 1994. The Columbia University Press.
Dyfyniad Arddull ChicagoColumbia Law Review, Volume 94, Nos 1-2 , 1994. New York: The Columbia University Press.
Dyfyniad MLAColumbia Law Review, Volume 94, Nos 1-2 , 1994. The Columbia University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.