Dancy, Jonathan, editor
1985
Buku Teks
Audi, Robert, author
Routledge, 2011
Buku Teks
Edited by Michael Huemer
Routledge, 2002
Buku Teks
Rescher, Nicholas, author
State University of New York Press, 2003
Buku Teks
edited by Allison James, Jenny Hockey and Andrew Dawson
Routledge, 1997
Buku Teks