O'Brien, J. (1959). Franciscan formation conferences. Franciscan Herald Press.
Chicago Style aipamenaO'Brien, Joachim. Franciscan Formation Conferences. Chicago: Franciscan Herald Press, 1959.
MLA aipamenaO'Brien, Joachim. Franciscan Formation Conferences. Franciscan Herald Press, 1959.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.