Hayry, M. (1994). Liberal utilitarianism and applied ethic's. Routledge.
Chicago-čujuhus (17. p.)Hayry, Matti. Liberal Utilitarianism and Applied Ethic's. London: Routledge, 1994.
MLA-čujuhus (9. p.)Hayry, Matti. Liberal Utilitarianism and Applied Ethic's. Routledge, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.