O'Callaghan. God and Mediation. Augsburg Fortress Publishers.
Cita Chicago (17th ed.)O'Callaghan. God and Mediation. Augsburg Fortress Publishers.
Cita MLA (9th ed.)O'Callaghan. God and Mediation. Augsburg Fortress Publishers.
Atenció: Aquestes cites poden no estar 100% correctes.