Halsbur's laws of England,4th ed, Vol.1 (1),Administrative law,Admirality,1989. Butterworths.
Dyfyniad Arddull ChicagoHalsbur's Laws of England,4th Ed, Vol.1 (1),Administrative Law,Admirality,1989. London: Butterworths.
Dyfyniad MLAHalsbur's Laws of England,4th Ed, Vol.1 (1),Administrative Law,Admirality,1989. Butterworths.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.