Collins, W. J. (2001). The labor market impact of state-level anti-discrimination laws: 1940 - 1960. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Collins, William J. The Labor Market Impact of State-level Anti-discrimination Laws: 1940 - 1960. Cambridge, Mass: National Bureau of Economic Research, 2001.
MLA-Zitierstil (9. Ausg.)Collins, William J. The Labor Market Impact of State-level Anti-discrimination Laws: 1940 - 1960. National Bureau of Economic Research, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.