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.
Citace podle Chicago (17th ed.)Cameron, Stephen V., a 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.
Citace podle MLA (9th ed.)Cameron, Stephen V., a 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.
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