Books
Miller, Alexander, Contemporary Metaethics, Polity Press, 2013 and later. Second edition. 314 s.
Kagan, Shelly, Normative Ethics, Westview Press, 1998 and later. 337 s.
Articles
Björklund, F., G. Björnsson, J. Eriksson, R. Francén Olinder, and C. Strandberg (2012), “Recent Work
on Motivational Internalism”, Analysis, Vol. 72, s. 124–137.
Finlay, S. and M. Schroeder (2012), “Reasons for Action: Internal vs. External”, Stanford Encyclopedia
of Philosophy. http://plato.stanford.edu/entries/reasons-internal-external/
Gowans, C. (2015), “Moral Relativism”, Stanford Encyclopedia of Philosophy.
http://plato.stanford.edu/entries/moral-relativism/
Rosati, C. (2006), “Moral Motivation”, Stanford Encyclopedia of Philosophy.
http://plato.stanford.edu/entries/moral-motivation/
Strandberg, C. (2015), “Options for Hybrid Expressivism”, Ethical Theory and Moral Practice, Vol. 18, s.
91–111.
Strandberg, C. and F. Björklund (2012), “Is Moral Internalism Supported by Folk Intuitions?”,
Philosophical Psychology, Vol. 26, s. 319-335.