Bound, J., & Solon, G. (1998). Double trouble on the value of twins-based estimation of the return to schooling. National Bureau of Economic Research.
Citação do estilo Chicago (17ª ed.)Bound, John, e Gary Solon. Double Trouble on the Value of Twins-based Estimation of the Return to Schooling. Cambridge: National Bureau of Economic Research, 1998.
Citação MLA (9ª ed.)Bound, John, e Gary Solon. Double Trouble on the Value of Twins-based Estimation of the Return to Schooling. National Bureau of Economic Research, 1998.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.