James Schall. Political Philosophy and Revelation. The Catholic University of America Press.
Lua i Stíl Chicago (17ú heag.)James Schall. Political Philosophy and Revelation. The Catholic University of America Press.
Lua MLA (9ú heag.)James Schall. Political Philosophy and Revelation. The Catholic University of America Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.