Hurley, P. J. (1997). A concise introduction to logic (6th.). Wadsworth.
芝加哥风格引文Hurley, Patrick J. A Concise Introduction to Logic. 6th. Belmont: Wadsworth, 1997.
MLA引文Hurley, Patrick J. A Concise Introduction to Logic. 6th. Wadsworth, 1997.
警告：这些引文格式不一定是100％准确.