Sylvia, R. D., & Sylvia, K. M. (2012). Program planning and evaluation for the public manager (4th ed.). Waveland Press.
Čikaški stil citiranja (17. izdanje)Sylvia, Ronald D., i Kathleen M. Sylvia. Program Planning and Evaluation for the Public Manager. 4th ed. Long Grove, Ill.: Waveland Press, 2012.
MLA način citiranja (8. izdanje)Sylvia, Ronald D., i Kathleen M. Sylvia. Program Planning and Evaluation for the Public Manager. 4th ed. Waveland Press, 2012.
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