Não informado. (1953). Occupational health review. Department of National Health and Welfare.
Style de citation Chicago (17e éd.)Não informado. Occupational Health Review. Ottawa: Department of National Health and Welfare, 1953.
Style de citation MLA (8e éd.)Não informado. Occupational Health Review. Department of National Health and Welfare, 1953.
Attention : ces citations peuvent ne pas être correctes à 100%.