Patton, C. V., Sawicki, D. S., & Clark, J. J. (2012). Basic Methods of Policy Analysis and Planning (3rd ed.). Routledge.
Chicago Style (17th ed.) ZitazioaPatton, Carl V., David S. Sawicki, eta Jennifer J. Clark. Basic Methods of Policy Analysis and Planning. 3rd ed. New York: Routledge, 2012.
MLA (9th ed.) ZitazioaPatton, Carl V., et al. Basic Methods of Policy Analysis and Planning. 3rd ed. Routledge, 2012.
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