Edwards, Paul, & Pap, A. (1973). A Modern Introduction to Philosophy (3rd ed.). The Free Press.
Chicago (17e ed.) BronvermeldingEdwards, Paul, en Arthur Pap. A Modern Introduction to Philosophy. 3rd ed. New York: The Free Press, 1973.
MLA (9e ed.) BronvermeldingEdwards, et al. A Modern Introduction to Philosophy. 3rd ed. The Free Press, 1973.
Let op: Deze citaties zijn niet altijd 100% accuraat.