Não informado. (1949). Industrial health review. Department of National Health and Welfare.
Chicagoスタイル(17版)引用形式Não informado. Industrial Health Review. Ottawa: Department of National Health and Welfare, 1949.
MLA(8版)引用形式Não informado. Industrial Health Review. Department of National Health and Welfare, 1949.
警告: この引用は必ずしも正確ではありません.