Howlett, M., Ramesh, M., & Perl, A. (2020). Studying public policy: Policy cycles and policy subsystems (4th ed.). Oxford University Press.
Citace podle Chicago (17th ed.)Howlett, Michael, M. Ramesh, a Anthony Perl. Studying Public Policy: Policy Cycles and Policy Subsystems. 4th ed. Don Mills, Ontario: Oxford University Press, 2020.
Citace podle MLA (9th ed.)Howlett, Michael, et al. Studying Public Policy: Policy Cycles and Policy Subsystems. 4th ed. Oxford University Press, 2020.
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