Warburton, N. (2006). Philosophy: The classics (3rd ed.). Routledge.
Chicago Style aipamenaWarburton, Nigel. Philosophy: The Classics. 3rd ed. London ; New York: Routledge, 2006.
MLA aipamenaWarburton, Nigel. Philosophy: The Classics. 3rd ed. Routledge, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.