Tolkien, J. R. R. (1987). J.R.R. Tolkien: The hobbit : drawings, watercolors, and manuscripts, June 11-September 30, 1987. Patrick & Beatrice Haggerty Museum of Art, Marquette University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTolkien, J. R. R. J.R.R. Tolkien: The Hobbit : Drawings, Watercolors, and Manuscripts, June 11-September 30, 1987. Milwaukee, Wis.: Patrick & Beatrice Haggerty Museum of Art, Marquette University, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTolkien, J. R. R. J.R.R. Tolkien: The Hobbit : Drawings, Watercolors, and Manuscripts, June 11-September 30, 1987. Patrick & Beatrice Haggerty Museum of Art, Marquette University, 1987.
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