Catholic Church. United States Conference of Catholic Bishops & Catholic Church. United States Conference of Catholic Bishops. Administrative Committee. (2004). The challenge of faithful citizenship: A Catholic call to political responsibility. United States Conference of Catholic Bishops.
Παραπομπή σε μορφή Chicago (17η εκδ.)Catholic Church. United States Conference of Catholic Bishops και Catholic Church. United States Conference of Catholic Bishops. Administrative Committee. The Challenge of Faithful Citizenship: A Catholic Call to Political Responsibility. Washington, D.C.: United States Conference of Catholic Bishops, 2004.
Παραπομπή σε μορφή MLA (8th εκδ.)Catholic Church. United States Conference of Catholic Bishops και Catholic Church. United States Conference of Catholic Bishops. Administrative Committee. The Challenge of Faithful Citizenship: A Catholic Call to Political Responsibility. United States Conference of Catholic Bishops, 2004.