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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)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.