Tolkien, J. R. R. (1980). Sir Gawain and the Green Knight, Pearl, and Sir Orfeo (First Ballantine books edition.). Ballantine Books.
Cita Chicago Style (17a ed.)Tolkien, J. R. R. Sir Gawain and the Green Knight, Pearl, and Sir Orfeo. First Ballantine books edition. New York: Ballantine Books, 1980.
Cita MLA (8a ed.)Tolkien, J. R. R. Sir Gawain and the Green Knight, Pearl, and Sir Orfeo. First Ballantine books edition. Ballantine Books, 1980.
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