Cita APA

Heckman, J., Ichimura, H., Smith, J. A. 1., & Todd, P. E. Characterizing selection bias using experimental data.

Citación estilo Chicago

Heckman, James, Hidehiko Ichimura, Jeffrey Andrew 1962- Smith, y Petra Elisabeth Todd. Characterizing Selection Bias Using Experimental Data.

Cita MLA

Heckman, James, Hidehiko Ichimura, Jeffrey Andrew 1962- Smith, y Petra Elisabeth Todd. Characterizing Selection Bias Using Experimental Data.