Howlett, M. P., & Ramesh, M. (1995). Studying public policy: Policy cycles and policy subsystems. Oxford University Press.
Čikaški stil citiranja (17. izdanje)Howlett, Michael Patrick, i M. Ramesh. Studying Public Policy: Policy Cycles and Policy Subsystems. Toronto: Oxford University Press, 1995.
MLA način citiranja (9. izdanje)Howlett, Michael Patrick, i M. Ramesh. Studying Public Policy: Policy Cycles and Policy Subsystems. Oxford University Press, 1995.
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