copi irving M., C. c. (2005). Introduction To Logic (11th.). Prentice hall.
Chicagoスタイル(17版)引用形式copi irving M., Cohen carl. Introduction To Logic. 11th. New Delhi: Prentice hall, 2005.
MLA(9版)引用形式copi irving M., Cohen carl. Introduction To Logic. 11th. Prentice hall, 2005.
警告: この引用は必ずしも正確ではありません.