WARBURTON, N. (1995). Philosophy: The basics.-- ed.2. Routledge.
Lua i Stíl Chicago (17ú heag.)WARBURTON, Nigel. Philosophy: The Basics.-- Ed.2. London: Routledge, 1995.
Lua MLA (9ú heag.)WARBURTON, Nigel. Philosophy: The Basics.-- Ed.2. Routledge, 1995.
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