Newsom, W. C. (2006). Talking of dragons: The children's books of J.R.R. Tolkien and C.S. Lewis. Christian Focus.
Lua i Stíl Chicago (17ú heag.)Newsom, William Chad. Talking of Dragons: The Children's Books of J.R.R. Tolkien and C.S. Lewis. Tain [Scotland]: Christian Focus, 2006.
Lua MLA (8ú heag.)Newsom, William Chad. Talking of Dragons: The Children's Books of J.R.R. Tolkien and C.S. Lewis. Christian Focus, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.