Sylvia, R. D., & Sylvia, K. M. (2012). Program planning and evaluation for the public manager (4th ed.). Waveland Press.
Chicago Style (17. basım) AtıfSylvia, Ronald D., ve Kathleen M. Sylvia. Program Planning and Evaluation for the Public Manager. 4th ed. Long Grove, Ill.: Waveland Press, 2012.
MLA (8th ed.) AtıfSylvia, Ronald D., ve Kathleen M. Sylvia. Program Planning and Evaluation for the Public Manager. 4th ed. Waveland Press, 2012.
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