APA-referens (7:e uppl.)

Shotwell, J. T. (1952). Governments of continental Europe (Rev. ed.). Macmillan.

Chicago-referens (17:e uppl.)

Shotwell, James Thomson. Governments of Continental Europe. Rev. ed. New York: Macmillan, 1952.

MLA-referens (9:e uppl.)

Shotwell, James Thomson. Governments of Continental Europe. Rev. ed. Macmillan, 1952.