Cameron, S. V., & Heckman, J. J. (1998). Life cycle schooling and dynamic selection bias: Models and evidence for five cohorts of American males. National Bureau of Economic Research.
Citação norma ChicagoCameron, Stephen V., and James J. Heckman. Life Cycle Schooling and Dynamic Selection Bias: Models and Evidence for Five Cohorts of American Males. Cambridge: National Bureau of Economic Research, 1998.
Citação norma MLACameron, Stephen V., and James J. Heckman. Life Cycle Schooling and Dynamic Selection Bias: Models and Evidence for Five Cohorts of American Males. National Bureau of Economic Research, 1998.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.