Não informado. (1965). Government and Opposition. London School of Economics and Political Science.
Chicago-referens (17:e uppl.)Não informado. Government and Opposition. London: London School of Economics and Political Science, 1965.
MLA-referens (8:e uppl.)Não informado. Government and Opposition. London School of Economics and Political Science, 1965.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.