Monthly Labor Review. US Department of Labor.
Chicago Style (17. basım) AtıfMonthly Labor Review. US Department of Labor.
MLA (8th ed.) AtıfMonthly Labor Review. US Department of Labor.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
Monthly Labor Review. US Department of Labor.
Chicago Style (17. basım) AtıfMonthly Labor Review. US Department of Labor.
MLA (8th ed.) AtıfMonthly Labor Review. US Department of Labor.