Ashenfelter, O., & Rouse, C. (1997). Income, schooling, and ability: Evidence from a new sample of identical twins. National Bureau of Economic Research.
Citação do estilo Chicago (17ª ed.)Ashenfelter, Orley, e Cecilia Rouse. Income, Schooling, and Ability: Evidence from a New Sample of Identical Twins. Cambridge: National Bureau of Economic Research, 1997.
Citação MLA (9ª ed.)Ashenfelter, Orley, e Cecilia Rouse. Income, Schooling, and Ability: Evidence from a New Sample of Identical Twins. National Bureau of Economic Research, 1997.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.