Rossi, P. H., & Freeman, H. E. (1989). Evaluation: A systematic approach (4th ed.). Sage Publications.
Chicago Style (17th ed.) CitationRossi, Peter H., and Howard E. Freeman. Evaluation: A Systematic Approach. 4th ed. Newbury Park, Calif: Sage Publications, 1989.
MLA (9th ed.) CitationRossi, Peter H., and Howard E. Freeman. Evaluation: A Systematic Approach. 4th ed. Sage Publications, 1989.
Warning: These citations may not always be 100% accurate.