Ludwig, J., & Miller, D. L. (2005). Does Head Start improve children's life changes?: Evidence from a regression discontinuity design. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Ludwig, Jens, und Douglas L. Miller. Does Head Start Improve Children's Life Changes?: Evidence from a Regression Discontinuity Design. Cambridge, Mass: National Bureau of Economic Research, 2005.
MLA-Zitierstil (9. Ausg.)Ludwig, Jens, und Douglas L. Miller. Does Head Start Improve Children's Life Changes?: Evidence from a Regression Discontinuity Design. National Bureau of Economic Research, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.