Jennings, I. W. (1963). Modern theories of law. Wildy and Sons.
Dyfyniad Arddull ChicagoJennings, Ivor W. Modern Theories of Law. Grerat Britain: Wildy and Sons, 1963.
Dyfyniad MLAJennings, Ivor W. Modern Theories of Law. Wildy and Sons, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.