Não informado. (1944). Industrial health bulletin. Department of National Health and Welfare, Industrial Health Division.
Citace podle Chicago (17th ed.)Não informado. Industrial Health Bulletin. Ottawa: Department of National Health and Welfare, Industrial Health Division, 1944.
Citace podle MLA (8th ed.)Não informado. Industrial Health Bulletin. Department of National Health and Welfare, Industrial Health Division, 1944.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..