Não informado. (1962). Cis bibliography. Centre International d' Information de Securite et d' Hygiene du Travail.
Lua i Stíl Chicago (17ú heag.)Não informado. Cis Bibliography. Geneva, Suíça: Centre International d' Information de Securite et d' Hygiene du Travail, 1962.
Lua MLA (8ú heag.)Não informado. Cis Bibliography. Centre International d' Information de Securite et d' Hygiene du Travail, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.