APA (7th ed.) Citation

Birch, A. H. (1983). The British system of government (6. ed.). Allen & Unwin.

Chicago Style (17th ed.) Citation

Birch, Anthony H. The British System of Government. 6. ed. London [u.a.]: Allen & Unwin, 1983.

MLA (9th ed.) Citation

Birch, Anthony H. The British System of Government. 6. ed. Allen & Unwin, 1983.