Copi, I. M., & Cohen, C. (2002). Introduction to logic (11th ed.). Prentice Hall.
Chicagoスタイル(17版)引用形式Copi, Irving M., , Carl Cohen. Introduction to Logic. 11th ed. Upper Saddle River, N.J: Prentice Hall, 2002.
MLA(9版)引用形式Copi, Irving M., , Carl Cohen. Introduction to Logic. 11th ed. Prentice Hall, 2002.
警告: この引用は必ずしも正確ではありません.