Royal Institute of Public Administration. (1982). Parliament and the executive. Royal Institute of Public Administration.
Chicago-referens (17:e uppl.)Royal Institute of Public Administration. Parliament and the Executive. London: Royal Institute of Public Administration, 1982.
MLA-referens (8:e uppl.)Royal Institute of Public Administration. Parliament and the Executive. Royal Institute of Public Administration, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.