APA aipamena

O'Brien, I. (1978). Francis of Assisi: Mirror of Christ. Franciscan Herald Press.

Chicago Style aipamena

O'Brien, Isidore. Francis of Assisi: Mirror of Christ. Chicago: Franciscan Herald Press, 1978.

MLA aipamena

O'Brien, Isidore. Francis of Assisi: Mirror of Christ. Franciscan Herald Press, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.