Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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