Copi, I. M., Cohen, C., & Rodych, V. (2019). Introduction To Logic (15th.). Routledge.
Chicagoスタイル(17版)引用形式Copi, Irving M., Carl Cohen, , Victor Rodych. Introduction To Logic. 15th. New York: Routledge, 2019.
MLA(9版)引用形式Copi, Irving M., et al. Introduction To Logic. 15th. Routledge, 2019.
警告: この引用は必ずしも正確ではありません.