APA-referens (7:e uppl.)

A.Robson, W. (1940). The british system of government (1.ª ed.). The British Council.

Chicago-referens (17:e uppl.)

A.Robson, William. The British System of Government. 1.ª ed. The British Council, 1940.

MLA-referens (8:e uppl.)

A.Robson, William. The British System of Government. 1.ª ed. The British Council, 1940.