Não informado. Social studies. Heldref Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Social Studies. Washington: Heldref Publications.
Lua MLA (8ú heag.)Não informado. Social Studies. Heldref Publications.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.