Costa, D. L. (1998). The Wage and the Length of the Work Day: From the 1890s to 1991. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Costa, Dora L. The Wage and the Length of the Work Day: From the 1890s to 1991. National Bureau of Economic Research, 1998.
MLA-Zitierstil (9. Ausg.)Costa, Dora L. The Wage and the Length of the Work Day: From the 1890s to 1991. National Bureau of Economic Research, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
