APA (7e ed.) Bronvermelding

Solomon, R. C. (2017). The big questions: A short introduction to philosophy (Tenth edition.). Cengage Learning.

Chicago (17e ed.) Bronvermelding

Solomon, Robert C. The Big Questions: A Short Introduction to Philosophy. Tenth edition. Boston: Cengage Learning, 2017.

MLA (9e ed.) Bronvermelding

Solomon, Robert C. The Big Questions: A Short Introduction to Philosophy. Tenth edition. Cengage Learning, 2017.