Ashenfelter, O., & Rouse, C. (1997). Income, schooling, and ability: Evidence from a new sample of identical twins.
Chicago-Zitierstil (17. Ausg.)Ashenfelter, Orley, und Cecilia Rouse. Income, Schooling, and Ability: Evidence from a New Sample of Identical Twins. Cambridge, Mass, 1997.
MLA-Zitierstil (9. Ausg.)Ashenfelter, Orley, und Cecilia Rouse. Income, Schooling, and Ability: Evidence from a New Sample of Identical Twins. 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.