Weimer, D. L., & Vining, A. R. (2011). Policy analysis: Concepts and practice (Fifth edition.). Longman ; Pearson.
Chicago Style aipamenaWeimer, David Leo, and Aidan R. Vining. Policy Analysis: Concepts and Practice. Fifth edition. Boston: Longman ; Pearson, 2011.
MLA aipamenaWeimer, David Leo, and Aidan R. Vining. Policy Analysis: Concepts and Practice. Fifth edition. Longman ; Pearson, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.