Cita APA (7th ed.)

Howlett, M. (2009). Studying public policy: Policy cycles & policy subsystems. Oxford University Pr..

Cita Chicago (17th ed.)

Howlett, Michael. Studying Public Policy: Policy Cycles & Policy Subsystems. Oxford: Oxford University Pr., 2009.

Cita MLA (9th ed.)

Howlett, Michael. Studying Public Policy: Policy Cycles & Policy Subsystems. Oxford University Pr., 2009.

Atenció: Aquestes cites poden no estar 100% correctes.