Craig, E. (2002). Philosophy: A Very Short Introduction (1st.). Oxford.
Cita Chicago Style (17a ed.)Craig, Edward. Philosophy: A Very Short Introduction. 1st. Oxford, 2002.
Cita MLA (9a ed.)Craig, Edward. Philosophy: A Very Short Introduction. 1st. Oxford, 2002.
Precaución: Estas citas no son 100% exactas.