McNeill, T. E. (1992). English Heritage book of castles. English Heritage.
Lua i Stíl Chicago (17ú heag.)McNeill, Tom E. English Heritage Book of Castles. London: English Heritage, 1992.
Lua MLA (9ú heag.)McNeill, Tom E. English Heritage Book of Castles. English Heritage, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.