Parker, V. (2006). J.R.R. Tolkien. Heinemann Library.
Lua i Stíl Chicago (17ú heag.)Parker, Victoria. J.R.R. Tolkien. Oxford: Heinemann Library, 2006.
Lua MLA (8ú heag.)Parker, Victoria. J.R.R. Tolkien. Heinemann Library, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.