Greetham, B. (2006). Philosophy. Palgrave Macmillan.
Cita Chicago (17th ed.)Greetham, Bryan. Philosophy. Basingstoke [England] ; New York: Palgrave Macmillan, 2006.
Cita MLA (8th ed.)Greetham, Bryan. Philosophy. Palgrave Macmillan, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.