Não informado. (1932). Industrial Medicine. American Association of Industrial Physicians and Surgeons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Industrial Medicine. Chicago, Ill: American Association of Industrial Physicians and Surgeons, 1932.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Industrial Medicine. American Association of Industrial Physicians and Surgeons, 1932.
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