APA-referens

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

Chicago-stil citat

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

MLA-referens

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