APA引文

Abdullahi, A. (2020). Public policy process: The system of actions.

Chicago Style Citation

Abdullahi, Aliyu. Public Policy Process: The System of Actions. 2020.

MLA引文

Abdullahi, Aliyu. Public Policy Process: The System of Actions. 2020.

警告：这些引文格式不一定是100％准确.