Cita APA (7a ed.)

Dehejia, R. H., & Wahba, S. M. (1998). Propensity score matching methods for non-experimental causal studies. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Dehejia, Rajeev Harsha, y Sadek M. Wahba. Propensity Score Matching Methods for Non-experimental Causal Studies. Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Dehejia, Rajeev Harsha, y Sadek M. Wahba. Propensity Score Matching Methods for Non-experimental Causal Studies. National Bureau of Economic Research, 1998.