Catholic Church. National Conference of Catholic Bishops, National Catholic Welfare Council (U.S.), & Gibbons, J. (1920). Pastoral letter of the archbishops and bishops of the United States assembled in conference at the Catholic University of America, September, 1919. National Catholic welfare council.
Chicago Style (17. basım) AtıfCatholic Church. National Conference of Catholic Bishops, National Catholic Welfare Council (U.S.), ve James Gibbons. Pastoral Letter of the Archbishops and Bishops of the United States Assembled in Conference at the Catholic University of America, September, 1919. Washington, D.C.: National Catholic welfare council, 1920.
MLA (8th ed.) AtıfCatholic Church. National Conference of Catholic Bishops, et al. Pastoral Letter of the Archbishops and Bishops of the United States Assembled in Conference at the Catholic University of America, September, 1919. National Catholic welfare council, 1920.