Clotfelter, C. T., Ladd, H. F., & Vigdor, J. L. (2006). Teacher-student matching and the assessment of teacher effectiveness. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Clotfelter, Charles T., Helen F. Ladd, und Jacob L. Vigdor. Teacher-student Matching and the Assessment of Teacher Effectiveness. Cambridge, Mass: National Bureau of Economic Research, 2006.
MLA-Zitierstil (9. Ausg.)Clotfelter, Charles T., et al. Teacher-student Matching and the Assessment of Teacher Effectiveness. National Bureau of Economic Research, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.