Britannica. (2006). Britannica -Ready Reference Encyclopedia. Encyclopaedia Britanica.
Lua i Stíl Chicago (17ú heag.)Britannica. Britannica -Ready Reference Encyclopedia. New Delhi: Encyclopaedia Britanica, 2006.
Lua MLA (9ú heag.)Britannica. Britannica -Ready Reference Encyclopedia. Encyclopaedia Britanica, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.