Colyvan, Mark, author
Cambridge University Press, 2012
Buku Teks
Griffiths, Paul, 1962-, author
Cambridge University Press, 2013
Buku Teks
Preiss, Julian, author
Routledge, 2013
Buku Teks
Mandik, Pete, author
Wiley-Blackwell, 2014
Buku Teks
Stanford, Michael
Blackwell Publishers, 1998
Buku Teks