Felt, J. W. (2007). Aims: A brief metaphysics for today. University of Notre Dame Press.
Lua i Stíl Chicago (17ú heag.)Felt, James W. Aims: A Brief Metaphysics for Today. Notre Dame, Ind.: University of Notre Dame Press, 2007.
Lua MLA (9ú heag.)Felt, James W. Aims: A Brief Metaphysics for Today. University of Notre Dame Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.