Missionary Society of St. Columban. (1981). Directory of the Society of Saint Columban. The Society.
Chicago Style aipamenaMissionary Society of St. Columban. Directory of the Society of Saint Columban. [S.l.: The Society, 1981.
MLA aipamenaMissionary Society of St. Columban. Directory of the Society of Saint Columban. The Society, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.