Rahner, Karl
The Crossroad Publishing Company, 1981
Buku Referensi
Doyglas J. Davies
Berg, 2002
Buku Teks SO
edited by Alister E. McGrath
Blackwell, 2008
Buku Teks
Lynch, Gordon
Blackwell Publishing, 2005
Buku Teks
edited by Paul Barry Clarke, Andrew Linzey
Routledge, 1996
Buku Referensi