Craig, P. P. (1999). Administrative law (4th ed.). Sweet & Maxwell.
Dyfyniad Arddull ChicagoCraig, P. P. Administrative Law. 4th ed. London: Sweet & Maxwell, 1999.
Dyfyniad MLACraig, P. P. Administrative Law. 4th ed. Sweet & Maxwell, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.