Rossi, P. H., Freeman, H. E., & Lipsey, M. W. (2004). Evaluation: A systematic approach (7th ed.). Thousand Oaks, Calif: SAGE Publications.
Citación estilo ChicagoRossi, Peter Henry, Howard E. Freeman, and Mark W. Lipsey. Evaluation: A Systematic Approach. 7th ed. Thousand Oaks, Calif: SAGE Publications, 2004.
Cita MLARossi, Peter Henry, Howard E. Freeman, and Mark W. Lipsey. Evaluation: A Systematic Approach. 7th ed. Thousand Oaks, Calif: SAGE Publications, 2004.
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