Rossi, P. H., & Freeman, H. E. (1989). Evaluation: A systematic approach (4th ed.). Sage Publications.
芝加哥风格引文Rossi, Peter H., 与 Howard E. Freeman. Evaluation: A Systematic Approach. 4th ed. Newbury Park, Calif: Sage Publications, 1989.
MLA引文Rossi, Peter H., 与 Howard E. Freeman. Evaluation: A Systematic Approach. 4th ed. Sage Publications, 1989.
警告：这些引文格式不一定是100％准确.