Costa, D. L. (1998). The unequal work day: A long-term view. National Bureau of Economic Research.
Chicago Style (17. basım) AtıfCosta, Dora L. The Unequal Work Day: A Long-term View. Cambride: National Bureau of Economic Research, 1998.
MLA (9th ed.) AtıfCosta, Dora L. The Unequal Work Day: A Long-term View. National Bureau of Economic Research, 1998.
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