Hales, S. D. (2006). Relativism and the foundations of philosophy. MIT Press.
Lua i Stíl Chicago (17ú heag.)Hales, Steven D. Relativism and the Foundations of Philosophy. Cambridge, Mass.: MIT Press, 2006.
Lua MLA (9ú heag.)Hales, Steven D. Relativism and the Foundations of Philosophy. MIT Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.