APA (7e ed.) Bronvermelding

Copi,Irving M Cohen, & Carl & Rodych,Victor. (2020). Introduction to logic (15.). Routledge.

Chicago (17e ed.) Bronvermelding

Copi,Irving M Cohen, en Carl & Rodych,Victor. Introduction to Logic. 15. New York: Routledge, 2020.

MLA (9e ed.) Bronvermelding

Copi,Irving M Cohen, en Carl & Rodych,Victor. Introduction to Logic. 15. Routledge, 2020.