Yardley, D. C. M. (1960). Introduction to British constitutional law. Butterworth.
Dyfyniad Arddull ChicagoYardley, D C M. Introduction to British Constitutional Law. London: Butterworth, 1960.
Dyfyniad MLAYardley, D C M. Introduction to British Constitutional Law. Butterworth, 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.