O'Day, J. E. (2004). The ring of truth: Truth and wisdom in J.R.R. Tolkien's The lord of the rings. Xulon Press.
Chicago-viite (17. p.)O'Day, Joseph E. The Ring of Truth: Truth and Wisdom in J.R.R. Tolkien's The Lord of the Rings. [Longwood, FL]: Xulon Press, 2004.
MLA-viite (8. p.)O'Day, Joseph E. The Ring of Truth: Truth and Wisdom in J.R.R. Tolkien's The Lord of the Rings. Xulon Press, 2004.
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