Warburton, N. (1999). Philosophy: The basics (Third edition.). Routledge.
Cita Chicago Style (17a ed.)Warburton, Nigel. Philosophy: The Basics. Third edition. London ; New York: Routledge, 1999.
Cita MLA (8a ed.)Warburton, Nigel. Philosophy: The Basics. Third edition. Routledge, 1999.
Precaución: Estas citas no son 100% exactas.