Copi, I. M. (1986). Introduction to logic (7th ed.). Macmillan ; Collier Macmillan.
Chicago Style aipamenaCopi, Irving M. Introduction to Logic. 7th ed. New York : London: Macmillan ; Collier Macmillan, 1986.
MLA aipamenaCopi, Irving M. Introduction to Logic. 7th ed. Macmillan ; Collier Macmillan, 1986.
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