Irving M. Copi. (1986). Informal logic (1/1986.). Usa: Macmillan publishing company.
Chicago Style CitationIrving M. Copi. Informal Logic. 1/1986. Usa: Macmillan publishing company, 1986.
MLA CitationIrving M. Copi. Informal Logic. 1/1986. Usa: Macmillan publishing company, 1986.
Warning: These citations may not always be 100% accurate.