Lua APA (7ú heag.)

Thissen, W. A. H., & Walker, W. E. (2013). Public policy analysis: New developments. Springer Verlag.

Lua i Stíl Chicago (17ú heag.)

Thissen, Wil A. H., agus Warren E. Walker. Public Policy Analysis: New Developments. New York; London: Springer Verlag, 2013.

Lua MLA (8ú heag.)

Thissen, Wil A. H., agus Warren E. Walker. Public Policy Analysis: New Developments. Springer Verlag, 2013.

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