Orr, L. L. (1999). Social experiments: Evaluating public programs with experimental methods. Sage.
Citación estilo ChicagoOrr, Larry L. Social Experiments: Evaluating Public Programs with Experimental Methods. Thousand Oaks, Calif: Sage, 1999.
Cita MLAOrr, Larry L. Social Experiments: Evaluating Public Programs with Experimental Methods. Sage, 1999.
Warning: These citations may not always be 100% accurate.