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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.