Hurley, P. J., & Watson, L. (2018). Concise introduction to logic (13th ed.). Cengage.
芝加哥风格引文Hurley, Patrick J., 与 Lori Watson. Concise Introduction to Logic. 13th ed. India: Cengage, 2018.
MLA引文Hurley, Patrick J., 与 Lori Watson. Concise Introduction to Logic. 13th ed. Cengage, 2018.
警告：这些引文格式不一定是100％准确.