Andrews, W. G. (1966). European political institutions: A comparative government reader (2d ed.). Van Nostrand.
Lua i Stíl Chicago (17ú heag.)Andrews, William George. European Political Institutions: A Comparative Government Reader. 2d ed. Princeton, N.J: Van Nostrand, 1966.
Lua MLA (9ú heag.)Andrews, William George. European Political Institutions: A Comparative Government Reader. 2d ed. Van Nostrand, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.