Ruffin, C. (1997). The twelve: The lives of the apostles after calvary. Our Sunday visitor.
Lua i Stíl Chicago (17ú heag.)Ruffin, C.Bernard. The Twelve: The Lives of the Apostles After Calvary. Indiana: Our Sunday visitor, 1997.
Lua MLA (9ú heag.)Ruffin, C.Bernard. The Twelve: The Lives of the Apostles After Calvary. Our Sunday visitor, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.