APA (7th ed.) Zitazioa

BIRCH, A. H. (1984). The British system of government (2nd ed.). George Allen & Unwin.

Chicago Style (17th ed.) Zitazioa

BIRCH, Anthony H. The British System of Government. 2nd ed. London: George Allen & Unwin, 1984.

MLA (9th ed.) Zitazioa

BIRCH, Anthony H. The British System of Government. 2nd ed. George Allen & Unwin, 1984.