Cita APA (7th ed.)

BIRCH, A. (1969). British system of government. Allen & Unwin.

Cita Chicago (17th ed.)

BIRCH, A.H. British System of Government. London: Allen & Unwin, 1969.

Cita MLA (9th ed.)

BIRCH, A.H. British System of Government. Allen & Unwin, 1969.