(2003). New catholic encyclopedia volume 9. Thomson Learning.
Lua i Stíl Chicago (17ú heag.)New Catholic Encyclopedia Volume 9. Thomson Learning, 2003.
Lua MLA (8ú heag.)New Catholic Encyclopedia Volume 9. Thomson Learning, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.