Não informado. (1918). Monthly Labor Review. Department of Labour, Bureau of Labor Statistics.
Chicagoスタイル(17版)引用形式Não informado. Monthly Labor Review. Washington: Department of Labour, Bureau of Labor Statistics, 1918.
MLA(8版)引用形式Não informado. Monthly Labor Review. Department of Labour, Bureau of Labor Statistics, 1918.
警告: この引用は必ずしも正確ではありません.