Não informado. Catalogue ISO. International Organization for Standardization.
Lua i Stíl Chicago (17ú heag.)Não informado. Catalogue ISO. Geneva, Suíça: International Organization for Standardization.
Lua MLA (8ú heag.)Não informado. Catalogue ISO. International Organization for Standardization.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.