Catholic Church. National Conference of Catholic Bishops & United States Catholic Conference. (1983). The challenge of peace: God's promise and our response : a pastoral letter on war and peace, May 3, 1983. United States Catholic Conference.
Chicago (17e ed.) BronvermeldingCatholic Church. National Conference of Catholic Bishops en United States Catholic Conference. The Challenge of Peace: God's Promise and Our Response : A Pastoral Letter on War and Peace, May 3, 1983. Washington, D.C.: United States Catholic Conference, 1983.
MLA (8e ed.) BronvermeldingCatholic Church. National Conference of Catholic Bishops en United States Catholic Conference. The Challenge of Peace: God's Promise and Our Response : A Pastoral Letter on War and Peace, May 3, 1983. United States Catholic Conference, 1983.