APA (7e ed.) Bronvermelding

Greetham, B. (2006). Philosophy. Palgrave Macmillan.

Chicago (17e ed.) Bronvermelding

Greetham, Bryan. Philosophy. Basingstoke [England] ; New York: Palgrave Macmillan, 2006.

MLA (8e ed.) Bronvermelding

Greetham, Bryan. Philosophy. Palgrave Macmillan, 2006.