Pennock,Andrew S. (2023). CQ Press Writing Guide for Public Policy (2nd.). Sage.
芝加哥风格引文Pennock,Andrew S. CQ Press Writing Guide for Public Policy. 2nd. UK: Sage, 2023.
MLA引文Pennock,Andrew S. CQ Press Writing Guide for Public Policy. 2nd. Sage, 2023.
警告：这些引文格式不一定是100％准确.