Rossi, P. H. ., Lipsey, M. W., & Freeman, H. E. (2004). Evaluation: A systematic approach (7th ed.). SAGE.
Chicago Style (17th ed.) CitationRossi, Peter H. , Mark W. Lipsey, and Howard E. Freeman. Evaluation: A Systematic Approach. 7th ed. Thousand Oaks, CA: SAGE, 2004.
MLA (9th ed.) CitationRossi, Peter H. , et al. Evaluation: A Systematic Approach. 7th ed. SAGE, 2004.
Warning: These citations may not always be 100% accurate.