Lua APA (7ú heag.)

Copi, I. M. c. (2020). Introduction to Logic (15th.). Routledge.

Lua i Stíl Chicago (17ú heag.)

Copi, Irring M; cohen. Introduction to Logic. 15th. New York: Routledge, 2020.

Lua MLA (9ú heag.)

Copi, Irring M; cohen. Introduction to Logic. 15th. Routledge, 2020.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.