United States. Bureau of Labor Statistics. (1918). Monthly labor review. G.P.O..
Chicago Style (17. basım) AtıfUnited States. Bureau of Labor Statistics. Monthly Labor Review. Washington: G.P.O., 1918.
MLA (9th ed.) AtıfUnited States. Bureau of Labor Statistics. Monthly Labor Review. G.P.O., 1918.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..