Catholic Church. Pope (1878-1903 : Leo XIII) & Leo XIII, P. (1919). Encyclical letter of our Holy Father Pope Leo XIII on the study of Holy Scripture. Abbey Press.
Chicago-referens (17:e uppl.)Catholic Church. Pope (1878-1903 : Leo XIII) och Pope Leo XIII. Encyclical Letter of Our Holy Father Pope Leo XIII on the Study of Holy Scripture. St. Meinrad, Ind.: Abbey Press, 1919.
MLA-referens (8:e uppl.)Catholic Church. Pope (1878-1903 : Leo XIII) och Pope Leo XIII. Encyclical Letter of Our Holy Father Pope Leo XIII on the Study of Holy Scripture. Abbey Press, 1919.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.