APA (7th ed.) Zitazioa
O'Connor, J. J. (1995). A Moment of Grace: John Cardinal O'Connor on the Catechism of the Catholic Church. Ignatius Press.
Chicago Style (17th ed.) Zitazioa
O'Connor, John Joseph. A Moment of Grace: John Cardinal O'Connor on the Catechism of the Catholic Church. San Francisco: Ignatius Press, 1995.
MLA (9th ed.) Zitazioa
O'Connor, John Joseph. A Moment of Grace: John Cardinal O'Connor on the Catechism of the Catholic Church. Ignatius Press, 1995.
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