APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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