Citazione Stile APA (7a Edizione)

Sylvia, R. D., & Sylvia, K. M. (2012). Program planning and evaluation for the public manager (4th ed.). Waveland Press.

Citazione stile Chigago Style (17a edizione)

Sylvia, Ronald D., e Kathleen M. Sylvia. Program Planning and Evaluation for the Public Manager. 4th ed. Long Grove, Ill.: Waveland Press, 2012.

Citatione MLA (8a ed.)

Sylvia, Ronald D., e Kathleen M. Sylvia. Program Planning and Evaluation for the Public Manager. 4th ed. Waveland Press, 2012.