Great Britain. State Paper Office & Great Britain. Public Record Office. (1975). Secretaries of State, state papers foreign. Public Record Office.
Lua i Stíl Chicago (17ú heag.)Great Britain. State Paper Office agus Great Britain. Public Record Office. Secretaries of State, State Papers Foreign. London: Public Record Office, 1975.
Lua MLA (8ú heag.)Great Britain. State Paper Office agus Great Britain. Public Record Office. Secretaries of State, State Papers Foreign. Public Record Office, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.