Ítarefni

Freeland, Cynthia. 2001. But Is It Art? An Introduction to Art Theory . Oxford, UK: Oxford University Press.

Mason, Elinor. 2018. “Value Pluralism.” Í The Stanford Encyclopedia of Philosophy, ritstýrt af Edward N. Zalta, vorútgáfa 2018. Stanford, CA: Metaphysics Research Lab, Philosophy Department, Stanford University. https://plato.stanford.edu/archives/spr2018/entries/value-pluralism

Mills, Charles. 1997. The Racial Contract . Cambridge, MA: Harvard University Press.

Schroeder, Mark. 2021. “Value Theory.” Í The Stanford Encyclopedia of Philosophy, ritstýrt af Edward N. Zalta, haustútgáfa 2021. Stanford, CA: Metaphysics Research Lab, Philosophy Department, Stanford University. https://plato.stanford.edu/archives/fall2021/entries/value-theory/

Zimmerman, Michael J., og Ben Bradley. 2019. “Intrinsic vs. Extrinsic Value.” Í The Stanford Encyclopedia of Philosophy, ritstýrt af Edward N. Zalta, vorútgáfa 2019. Stanford, CA: Metaphysics Research Lab, Philosophy Department, Stanford University. https://plato.stanford.edu/archives/spr2019/entries/value-intrinsic-extrinsic