Não informado. (1976). Journal of occupational accidents. Editions Elsevier.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Occupational Accidents. Amsterdam: Editions Elsevier, 1976.
Lua MLA (8ú heag.)Não informado. Journal of Occupational Accidents. Editions Elsevier, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.