Leo XIII, P. (1951). Scholastic philosophy: Encyclical letter of Pope Leo XIII : Aeterni Patris / with discussion club outline by Rev. Gerald C. Treacy, S. J. New York.
Lua i Stíl Chicago (17ú heag.)Leo XIII, Pope. Scholastic Philosophy: Encyclical Letter of Pope Leo XIII : Aeterni Patris / with Discussion Club Outline by Rev. Gerald C. Treacy, S. J. New York, 1951.
Lua MLA (8ú heag.)Leo XIII, Pope. Scholastic Philosophy: Encyclical Letter of Pope Leo XIII : Aeterni Patris / with Discussion Club Outline by Rev. Gerald C. Treacy, S. J. New York, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.