Não informado. (2001). Working paper. International Labour Office.
Lua i Stíl Chicago (17ú heag.)Não informado. Working Paper. Geneva, Suíça: International Labour Office, 2001.
Lua MLA (8ú heag.)Não informado. Working Paper. International Labour Office, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.