Não informado. (1963). European community. European Community Information Service.
Chicago-referens (17:e uppl.)Não informado. European Community. Washington: European Community Information Service, 1963.
MLA-referens (8:e uppl.)Não informado. European Community. European Community Information Service, 1963.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.