APA-viite (7. p.)

Copi, I. M. A concise introduction to logic. Macmillan Company.

Chicago-viite (17. p.)

Copi, Irving M. A Concise Introduction to Logic. New York: Macmillan Company.

MLA-viite (9. p.)

Copi, Irving M. A Concise Introduction to Logic. Macmillan Company.