Posavac, E. J., & Carey, R. G. (1997). Program evaluation: Methods and case studies (5th ed.). Prentice Hall.
芝加哥风格引文Posavac, Emil J., 与 Raymond G. Carey. Program Evaluation: Methods and Case Studies. 5th ed. Upper Saddle River, N.J: Prentice Hall, 1997.
MLA引文Posavac, Emil J., 与 Raymond G. Carey. Program Evaluation: Methods and Case Studies. 5th ed. Prentice Hall, 1997.
警告:这些引文格式不一定是100%准确.