Cita APA (7th ed.)

Heckman, J. J., Lochner, L., & Taber, C. (1999). General equilibrium cost benefit analysis of education and tax policies. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Heckman, James J., Lance Lochner, i Christopher Taber. General Equilibrium Cost Benefit Analysis of Education and Tax Policies. Cambridge: National Bureau of Economic Research, 1999.

Cita MLA (9th ed.)

Heckman, James J., et al. General Equilibrium Cost Benefit Analysis of Education and Tax Policies. National Bureau of Economic Research, 1999.