Lua APA (7ú heag.)

ProQuest (Firm) & Knoepfel, P. (2007). Public policy analysis. Policy Press.

Lua i Stíl Chicago (17ú heag.)

ProQuest (Firm) agus Peter Knoepfel. Public Policy Analysis. Bristol: Policy Press, 2007.

Lua MLA (8ú heag.)

ProQuest (Firm) agus Peter Knoepfel. Public Policy Analysis. Policy Press, 2007.

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