Viault, B. S. (1992). English history. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Viault, Birdsall S. English History. New York: McGraw-Hill, 1992.
Lua MLA (9ú heag.)Viault, Birdsall S. English History. McGraw-Hill, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.