Gall, Robert Le
Symbols of Catholicism
Editions Assouline, 1997
 Buku Referensi
Phan, Peter C.
101 tanya-jawab tentang kematian dan kehidupan kekal: Responses to 101 questions on death and eternal life
Kanisius, 2005
 Buku Teks
International journal of reformed theology and life
International Reformed Evangelical Seminary and Westminster, 2016
 Majalah, Jurnal, Buletin
Tunk, Eduard von
Das werden des christlichen abendlandes / Eduard von Tunk and Albert Renner
Wilhelm Goldman Verlag, 1964
 Buku Teks
Katekese di Era digital : Peran Imam dan Katekis salami karma Katekese Gereja Katolik Indonesia di Era Digital
Kanisius, 2016
 Buku Teks