(1996). An encyclopaedia of philosophy. Routledge.
Chicago Style (17th ed.) ZitazioaAn Encyclopaedia of Philosophy. London: Routledge, 1996.
MLA (9th ed.) ZitazioaAn Encyclopaedia of Philosophy. Routledge, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.