Ashenfelter, O. C. (1993). Estimates of the returns to schooling from sibling data: Fathers, sons, and brothers.
Chicago-Zitierstil (17. Ausg.)Ashenfelter, Orley C. Estimates of the Returns to Schooling from Sibling Data: Fathers, Sons, and Brothers. Cambridge, Mass, 1993.
MLA-Zitierstil (9. Ausg.)Ashenfelter, Orley C. Estimates of the Returns to Schooling from Sibling Data: Fathers, Sons, and Brothers. 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.