Cita APA (7th ed.)

copi irving M., C. c. (2005). Introduction To Logic (11th.). Prentice hall.

Cita Chicago (17th ed.)

copi irving M., Cohen carl. Introduction To Logic. 11th. New Delhi: Prentice hall, 2005.

Cita MLA (9th ed.)

copi irving M., Cohen carl. Introduction To Logic. 11th. Prentice hall, 2005.