Brett, P. H. (1972). Administrative law (2nd ed.). Butter worths.
Dyfyniad Arddull ChicagoBrett, Peter Hogg. Administrative Law. 2nd ed. Australia: Butter worths, 1972.
Dyfyniad MLABrett, Peter Hogg. Administrative Law. 2nd ed. Butter worths, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.