Columbia law review, Volume 98, Nos 4-5 , 1998. The Columbia University Press.
Dyfyniad Arddull ChicagoColumbia Law Review, Volume 98, Nos 4-5 , 1998. New York: The Columbia University Press.
Dyfyniad MLAColumbia Law Review, Volume 98, Nos 4-5 , 1998. The Columbia University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.