Catholic Church. Pope (1878-1903 : Leo XIII) & Treacy, G. C. (1941). Human liberty. The Paulist Press.
Lua i Stíl Chicago (17ú heag.)Catholic Church. Pope (1878-1903 : Leo XIII) agus Gerald C. Treacy. Human Liberty. New York: The Paulist Press, 1941.
Lua MLA (8ú heag.)Catholic Church. Pope (1878-1903 : Leo XIII) agus Gerald C. Treacy. Human Liberty. The Paulist Press, 1941.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.