Aubert, R., & Boileau, D. A. (2003). Catholic social teaching: An historical perspective. Marquette University Press.
Lua i Stíl Chicago (17ú heag.)Aubert, Roger, agus David A. Boileau. Catholic Social Teaching: An Historical Perspective. Milwaukee, Wis.: Marquette University Press, 2003.
Lua MLA (9ú heag.)Aubert, Roger, agus David A. Boileau. Catholic Social Teaching: An Historical Perspective. Marquette University Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.