APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.