Andrews, W. G. (1962). European political institutions: A comparative government reader. Van Nostrand.
Lua i Stíl Chicago (17ú heag.)Andrews, William George. European Political Institutions: A Comparative Government Reader. Princeton, N.J: Van Nostrand, 1962.
Lua MLA (9ú heag.)Andrews, William George. European Political Institutions: A Comparative Government Reader. Van Nostrand, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.