Cita APA (7th ed.)

Robson, W. A. (1955). The British system of government. Longmans.

Cita Chicago (17th ed.)

Robson, William A. The British System of Government. Londres: Longmans, 1955.

Cita MLA (9th ed.)

Robson, William A. The British System of Government. Longmans, 1955.