Não informado. (1918). Monthly Labor Review. Department of Labour, Bureau of Labor Statistics.
Chicago-viite (17. p.)Não informado. Monthly Labor Review. Washington: Department of Labour, Bureau of Labor Statistics, 1918.
MLA-viite (8. p.)Não informado. Monthly Labor Review. Department of Labour, Bureau of Labor Statistics, 1918.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.