Não informado. (1953). Occupational health review. Department of National Health and Welfare.
Citace podle Chicago (17th ed.)Não informado. Occupational Health Review. Ottawa: Department of National Health and Welfare, 1953.
Citace podle MLA (8th ed.)Não informado. Occupational Health Review. Department of National Health and Welfare, 1953.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..