Kaestner, R., & Lee, W. (2003). The effect of welfare reform on prenatal care and birth weight. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Kaestner, Robert, und Won-Chan Lee. The Effect of Welfare Reform on Prenatal Care and Birth Weight. Cambridge, Mass: National Bureau of Economic Research, 2003.
MLA-Zitierstil (9. Ausg.)Kaestner, Robert, und Won-Chan Lee. The Effect of Welfare Reform on Prenatal Care and Birth Weight. National Bureau of Economic Research, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.