Tripodi, T., Fellin, P., & Epstein, I. (1978). Differential social program evaluation. F. E. Peacock Publishers.
芝加哥风格引文Tripodi, Tony, Phillip Fellin, 与 Irwin Epstein. Differential Social Program Evaluation. Itasca, Ill.: F. E. Peacock Publishers, 1978.
MLA引文Tripodi, Tony, et al. Differential Social Program Evaluation. F. E. Peacock Publishers, 1978.
警告：这些引文格式不一定是100％准确.