Attfield, R. (1995). Value, obligation, and meta-ethics. Editions Rodopi.
Chicago-čujuhus (17. p.)Attfield, Robin. Value, Obligation, and Meta-ethics. Amsterdam ; Atlanta, Ga.: Editions Rodopi, 1995.
MLA-čujuhus (9. p.)Attfield, Robin. Value, Obligation, and Meta-ethics. Editions Rodopi, 1995.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
