Rossi, P. H., Freeman, H. E., & Rosenbaum, S. (1982). Evaluation: A systematic approach (2nd ed.). Sage Publications.
Cita Chicago Style (17a ed.)Rossi, Peter Henry, Howard E. Freeman, y Sonia Rosenbaum. Evaluation: A Systematic Approach. 2nd ed. Beverly Hills, Calif: Sage Publications, 1982.
Cita MLA (9a ed.)Rossi, Peter Henry, et al. Evaluation: A Systematic Approach. 2nd ed. Sage Publications, 1982.
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