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.
Chicago-viite (17. p.)Catholic Church. Pope (1939-1958 : Pius XII) ja Pope Pius XII. St. Benedict: Encyclical Letter of Pope Pius XII on St. Benedict of Nursia. Washington: National Catholic Welfare Conference, 1947.
MLA-viite (8. p.)Catholic Church. Pope (1939-1958 : Pius XII) ja Pope Pius XII. St. Benedict: Encyclical Letter of Pope Pius XII on St. Benedict of Nursia. National Catholic Welfare Conference, 1947.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.