Catholic Church. National Conference of Catholic Bishops. (1983). The challenge of peace: God's promise and our response : a pastoral letter on war and peace : May 3, 1983. Office of Publishing and Promotion Services, United States Catholic Conference.
Παραπομπή σε μορφή Chicago (17η εκδ.)Catholic Church. National Conference of Catholic Bishops. The Challenge of Peace: God's Promise and Our Response : A Pastoral Letter on War and Peace : May 3, 1983. Washington, D.C.: Office of Publishing and Promotion Services, United States Catholic Conference, 1983.
Παραπομπή σε μορφή MLA (8th εκδ.)Catholic Church. National Conference of Catholic Bishops. The Challenge of Peace: God's Promise and Our Response : A Pastoral Letter on War and Peace : May 3, 1983. Office of Publishing and Promotion Services, United States Catholic Conference, 1983.