Não informado. (1932). Industrial Medicine. American Association of Industrial Physicians and Surgeons.
Lua i Stíl Chicago (17ú heag.)Não informado. Industrial Medicine. Chicago, Ill: American Association of Industrial Physicians and Surgeons, 1932.
Lua MLA (8ú heag.)Não informado. Industrial Medicine. American Association of Industrial Physicians and Surgeons, 1932.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.