APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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