Hill, B. (2002). 8 spiritual heroes: Their search for God. St. Anthony Messenger Press.
Chicago Style aipamenaHill, Brennan. 8 Spiritual Heroes: Their Search for God. Cincinnati, Ohio: St. Anthony Messenger Press, 2002.
MLA aipamenaHill, Brennan. 8 Spiritual Heroes: Their Search for God. St. Anthony Messenger Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.