Howlett, M. P., & Ramesh, M. (1995). Studying public policy: Policy cycles and policy subsystems. Oxford University Press.
芝加哥风格引文Howlett, Michael Patrick, 与 M. Ramesh. Studying Public Policy: Policy Cycles and Policy Subsystems. Toronto: Oxford University Press, 1995.
MLA引文Howlett, Michael Patrick, 与 M. Ramesh. Studying Public Policy: Policy Cycles and Policy Subsystems. Oxford University Press, 1995.
警告：这些引文格式不一定是100％准确.