(1978). Handbook of United States legal research materials. West Pub.
Dyfyniad Arddull ChicagoHandbook of United States Legal Research Materials. Mineola, N.Y: West Pub, 1978.
Dyfyniad MLAHandbook of United States Legal Research Materials. West Pub, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.