Não informado. (1918). Monthly Labor Review. Department of Labour, Bureau of Labor Statistics.
Citação do estilo Chicago (17ª ed.)Não informado. Monthly Labor Review. Washington: Department of Labour, Bureau of Labor Statistics, 1918.
Citação MLA (8ª ed.)Não informado. Monthly Labor Review. Department of Labour, Bureau of Labor Statistics, 1918.
警告:這些引文格式不一定是100%准確.