Smith, J. C. (1985). Conversion in Origen.
Lua i Stíl Chicago (17ú heag.)Smith, John Clark. Conversion in Origen. Toronto (Ont.), 1985.
Lua MLA (8ú heag.)Smith, John Clark. Conversion in Origen. 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.