Langford, P. The Eighteenth Century (1688 - 1789): Paul Langford. The Oxford illustrated history of Britain.(1989).
Lua i Stíl Chicago (17ú heag.)Langford, Paul. "The Eighteenth Century (1688 - 1789): Paul Langford." The Oxford Illustrated History of Britain.(1989) .
Lua MLA (8ú heag.)Langford, Paul. "The Eighteenth Century (1688 - 1789): Paul Langford." The Oxford Illustrated History of Britain.(1989), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.