Não informado. (1932). Industrial Medicine. American Association of Industrial Physicians and Surgeons.
Chicago-Zitierstil (17. Ausg.)Não informado. Industrial Medicine. Chicago, Ill: American Association of Industrial Physicians and Surgeons, 1932.
MLA-Zitierstil (8. Ausg.)Não informado. Industrial Medicine. American Association of Industrial Physicians and Surgeons, 1932.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.