Craig, E. (2002). Philosophy: A Very Short Introduction (1st.). Oxford.
Cita Chicago (17th ed.)Craig, Edward. Philosophy: A Very Short Introduction. 1st. Oxford, 2002.
Cita MLA (9th ed.)Craig, Edward. Philosophy: A Very Short Introduction. 1st. Oxford, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.