Catholic Association for International Peace (U.S.) Committee on Ethics, Catholic Association for International Peace (U.S.) Joint Policy Committee, McMahon, F. E., & Ryan, J. A. (1940). The obligation of Catholics to promote peace. The Catholic association for international peace.
Lua i Stíl Chicago (17ú heag.)Catholic Association for International Peace (U.S.) Committee on Ethics, Catholic Association for International Peace (U.S.) Joint Policy Committee, Francis E. McMahon, agus John A. Ryan. The Obligation of Catholics to Promote Peace. Washington, D.C.: The Catholic association for international peace, 1940.
Lua MLA (8ú heag.)Catholic Association for International Peace (U.S.) Committee on Ethics, et al. The Obligation of Catholics to Promote Peace. The Catholic association for international peace, 1940.