British Library. Dept. of Manuscripts. (1981). Papers of the prime ministers of Great Britain. Harvester Microform.
Chicago-referens (17:e uppl.)British Library. Dept. of Manuscripts. Papers of the Prime Ministers of Great Britain. Brighton, Sussex: Harvester Microform, 1981.
MLA-referens (8:e uppl.)British Library. Dept. of Manuscripts. Papers of the Prime Ministers of Great Britain. Harvester Microform, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.