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Dyfyniad Arddull ChicagoEres, Beth Krevitt. Legal and Legislative Information Processing. Westport: Greenwood press, 1989.
Dyfyniad MLAEres, Beth Krevitt. Legal and Legislative Information Processing. Greenwood press, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.