APA (7e ed.) Bronvermelding

Perry, J., & Bratman, M. (1993). Introduction to philosophy: Classical and contemporary readings (2nd ed.). Oxford University Press.

Chicago (17e ed.) Bronvermelding

Perry, John, en Michael Bratman. Introduction to Philosophy: Classical and Contemporary Readings. 2nd ed. New York: Oxford University Press, 1993.

MLA (9e ed.) Bronvermelding

Perry, John, en Michael Bratman. Introduction to Philosophy: Classical and Contemporary Readings. 2nd ed. Oxford University Press, 1993.