Greeley, Andrew M., author
Erlangga, 1988
Buku Teks
Bellah, Robert Neelly, author
Gramedia Pustaka Utama, 1992
Buku Teks
Hick, John H., 1922-2012, author
Prentice-Hall, 1990
Buku Teks
edited by Vergilius Ferm
Littlefield, Adam and Co., 1959
Buku Referensi
edited by Vergilius Ferm
Philosophical Library, 1945
Buku Referensi