Catholic Church. Pope (1939-1958 : Pius XII) & Pius XII, P. (1947). St. Benedict: Encyclical letter of Pope Pius XII on St. Benedict of Nursia. National Catholic Welfare Conference.
Lua i Stíl Chicago (17ú heag.)Catholic Church. Pope (1939-1958 : Pius XII) agus Pope Pius XII. St. Benedict: Encyclical Letter of Pope Pius XII on St. Benedict of Nursia. Washington: National Catholic Welfare Conference, 1947.
Lua MLA (8ú heag.)Catholic Church. Pope (1939-1958 : Pius XII) agus Pope Pius XII. St. Benedict: Encyclical Letter of Pope Pius XII on St. Benedict of Nursia. National Catholic Welfare Conference, 1947.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.