Royse, D., Thyer, B. A., Padgett, D. K., & Logan, T. K. (2001). Program evaluation: An introduction (Tercera edición.). Brooks/Cole Thomson Learning.
Chicago Style (17. basım) AtıfRoyse, David, Bruce A. Thyer, Deborah K. Padgett, ve T. K. Logan. Program Evaluation: An Introduction. Tercera edición. Wadsworth: Brooks/Cole Thomson Learning, 2001.
MLA (8th ed.) AtıfRoyse, David, et al. Program Evaluation: An Introduction. Tercera edición. Brooks/Cole Thomson Learning, 2001.
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