Hare, R. M. (1989). Eassys on Political Morality. Clarendon.
Chicago Style (17th ed.) ZitazioaHare, R. M. Eassys on Political Morality. Oxford: Clarendon, 1989.
MLA (9th ed.) ZitazioaHare, R. M. Eassys on Political Morality. Clarendon, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.