Blake, A. (2002). J.R.R. Tolkien. Hodder & Stoughton.
Lua i Stíl Chicago (17ú heag.)Blake, Andrew. J.R.R. Tolkien. London: Hodder & Stoughton, 2002.
Lua MLA (8ú heag.)Blake, Andrew. J.R.R. Tolkien. Hodder & Stoughton, 2002.
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