Não informado. (1953). Occupational health review. Department of National Health and Welfare.
Cita Chicago Style (17a ed.)Não informado. Occupational Health Review. Ottawa: Department of National Health and Welfare, 1953.
Cita MLA (8a ed.)Não informado. Occupational Health Review. Department of National Health and Welfare, 1953.
Precaución: Estas citas no son 100% exactas.