Cryan, D. (2013). Introducing Logic. Icon.
芝加哥风格引文Cryan, Dan. Introducing Logic. UK: Icon, 2013.
MLA引文Cryan, Dan. Introducing Logic. Icon, 2013.
警告:这些引文格式不一定是100%准确.
Cryan, D. (2013). Introducing Logic. Icon.
芝加哥风格引文Cryan, Dan. Introducing Logic. UK: Icon, 2013.
MLA引文Cryan, Dan. Introducing Logic. Icon, 2013.