edited by Philip Blond
Routledge, 1998
Buku Teks
Doyglas J. Davies, author
Berg, 2002
Buku Teks
Rahner, Karl, author
The Crossroad Publishing Company, 1981
Buku Referensi
edited by Alister E. McGrath
Blackwell, 2008
Buku Teks
Lynch, Gordon, author
Blackwell Publishing, 2005
Buku Teks