Clark, G. H. (1988). The incarnation. Trinity foundation.
Lua i Stíl Chicago (17ú heag.)Clark, Gordon H. The Incarnation. Maryland: Trinity foundation, 1988.
Lua MLA (9ú heag.)Clark, Gordon H. The Incarnation. Trinity foundation, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.