Welborn, A. (2008). Pope Benedict XVI. Our Sunday Visitor.
Lua i Stíl Chicago (17ú heag.)Welborn, Amy. Pope Benedict XVI. Huntington, IN: Our Sunday Visitor, 2008.
Lua MLA (8ú heag.)Welborn, Amy. Pope Benedict XVI. Our Sunday Visitor, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.