APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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