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.
Lua i Stíl Chicago (17ú heag.)Catholic Church. Pope (1878-1903 : Leo XIII) agus Pope Leo XIII. Encyclical Letter of Our Holy Father Pope Leo XIII on the Study of Holy Scripture. St. Meinrad, Ind.: Abbey Press, 1919.
Lua MLA (8ú heag.)Catholic Church. Pope (1878-1903 : Leo XIII) agus Pope Leo XIII. Encyclical Letter of Our Holy Father Pope Leo XIII on the Study of Holy Scripture. Abbey Press, 1919.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.