Cita APA (7th ed.)

Howlett, M. P., & Ramesh, M. (1995). Studying public policy: Policy cycles and policy subsystems. Oxford University Press.

Cita Chicago (17th ed.)

Howlett, Michael Patrick, i M. Ramesh. Studying Public Policy: Policy Cycles and Policy Subsystems. Toronto: Oxford University Press, 1995.

Cita MLA (9th ed.)

Howlett, Michael Patrick, i M. Ramesh. Studying Public Policy: Policy Cycles and Policy Subsystems. Oxford University Press, 1995.