Originalversjon
Oxford Studies in Metaethics, Vol. 10. 2015, 245-272, DOI: http://dx.doi.org/10.1093/acprof:oso/9780198738695.003.0010
Sammendrag
Oxford Studies in Metaethics, Volume 10, edited by Russ Shafer-Landau, 2015, reproduced by permission of Oxford University Press. http://dx.doi.org/10.1093/acprof:oso/9780198738695.001.0001