Não informado. (1936). Journal of Industrial Hygiene and Toxicology. American Industrial Hygiene Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Industrial Hygiene and Toxicology. Cambridge, Mass: American Industrial Hygiene Association, 1936.
Lua MLA (8ú heag.)Não informado. Journal of Industrial Hygiene and Toxicology. American Industrial Hygiene Association, 1936.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.