Não informado. (1949). Industrial Medicine and Surgery. American Association of Industrial Physicians and Surgeons.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Industrial Medicine and Surgery. Miami, Fla: American Association of Industrial Physicians and Surgeons, 1949.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Industrial Medicine and Surgery. American Association of Industrial Physicians and Surgeons, 1949.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.