Não informado. (1970). ISO bulletin. International Organization for Standardization.
Lua i Stíl Chicago (17ú heag.)Não informado. ISO Bulletin. Geneva, Suíça: International Organization for Standardization, 1970.
Lua MLA (8ú heag.)Não informado. ISO Bulletin. International Organization for Standardization, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.