Rossi, P. H., Lipsey, M. W., & Henry, G. T. (2019). Evaluation: A systematic approach (Eight edition.). SAGE.
Cita Chicago Style (17a ed.)Rossi, Peter H., Mark W. Lipsey, y Gary T. Henry. Evaluation: A Systematic Approach. Eight edition. Los Angeles: SAGE, 2019.
Cita MLA (9a ed.)Rossi, Peter H., et al. Evaluation: A Systematic Approach. Eight edition. SAGE, 2019.
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