Dyfyniad APA

Columbia law review, Volume 91, Nos 4-6, 1991. The Columbia University Press.

Dyfyniad Arddull Chicago

Columbia Law Review, Volume 91, Nos 4-6, 1991. New York: The Columbia University Press.

Dyfyniad MLA

Columbia Law Review, Volume 91, Nos 4-6, 1991. The Columbia University Press.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.