Ryan, J. S. (2009). Tolkien's view: Windows into his world. Walking Tree Publishers.
Lua i Stíl Chicago (17ú heag.)Ryan, J. S. Tolkien's View: Windows into His World. Zurich: Walking Tree Publishers, 2009.
Lua MLA (8ú heag.)Ryan, J. S. Tolkien's View: Windows into His World. Walking Tree Publishers, 2009.
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