Hare, R. (1970). The Language of morals. DUP.
Chicago Style (17th ed.) ZitazioaHare, R.M. The Language of Morals. London: DUP, 1970.
MLA (9th ed.) ZitazioaHare, R.M. The Language of Morals. DUP, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.