APA (7e ed.) Bronvermelding

Copi, I. M., & Cohen, C. (2010). Introduction to logic (Thirteenth edition.). Pearson Education South Asia.

Chicago (17e ed.) Bronvermelding

Copi, Irving M., en Carl Cohen. Introduction to Logic. Thirteenth edition. Singapore: Pearson Education South Asia, 2010.

MLA (9e ed.) Bronvermelding

Copi, Irving M., en Carl Cohen. Introduction to Logic. Thirteenth edition. Pearson Education South Asia, 2010.