Dyfyniad APA

Yardley,D C M. (1974). Introduction to British constitutional law (4th ed.). Butteworths.

Dyfyniad Arddull Chicago

Yardley,D C M. Introduction to British Constitutional Law. 4th ed. London: Butteworths, 1974.

Dyfyniad MLA

Yardley,D C M. Introduction to British Constitutional Law. 4th ed. Butteworths, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.