J. David Velleman. Foundations for Moral Relativism. Open Book Publishers.
Chicago-čujuhus (17. p.)J. David Velleman. Foundations for Moral Relativism. Open Book Publishers.
MLA-čujuhus (9. p.)J. David Velleman. Foundations for Moral Relativism. Open Book Publishers.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.