Margo, R. A., & Finegan, T. A. (1996). Compulsory schooling legislation and school attendance in turn-of-the-century America: A "natural experiment" approach. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Margo, Robert A., und Thomas A. Finegan. Compulsory Schooling Legislation and School Attendance in Turn-of-the-century America: A "Natural Experiment" Approach. Cambridge, MA: National Bureau of Economic Research, 1996.
MLA-Zitierstil (9. Ausg.)Margo, Robert A., und Thomas A. Finegan. Compulsory Schooling Legislation and School Attendance in Turn-of-the-century America: A "Natural Experiment" Approach. National Bureau of Economic Research, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.