Tolkien, J. R. R. (1965). The two towers: Being the second part of The lord of the rings (2nd ed.). Houghton Mifflin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTolkien, J. R. R. The Two Towers: Being the Second Part of The Lord of the Rings. 2nd ed. Boston: Houghton Mifflin, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTolkien, J. R. R. The Two Towers: Being the Second Part of The Lord of the Rings. 2nd ed. Houghton Mifflin, 1965.
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