Lua APA (7ú heag.)

Copi, I. M., & Cohen, C. (2005). Logic: Language, deduction and induction (12th ed.). Pearson Education, Inc.

Lua i Stíl Chicago (17ú heag.)

Copi, Irving M., agus Carl Cohen. Logic: Language, Deduction and Induction. 12th ed. Jurong, Singapore: Pearson Education, Inc, 2005.

Lua MLA (9ú heag.)

Copi, Irving M., agus Carl Cohen. Logic: Language, Deduction and Induction. 12th ed. Pearson Education, Inc, 2005.

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