Shirwood, W., & Kretzmann, N. (1968). William of Sherwood's Treatise on syncategorematic words. University of Minnesota Press.
Chicago-viite (17. p.)Shirwood, William, ja Norman Kretzmann. William of Sherwood's Treatise on Syncategorematic Words. Minneapolis: University of Minnesota Press, 1968.
MLA-viite (9. p.)Shirwood, William, ja Norman Kretzmann. William of Sherwood's Treatise on Syncategorematic Words. University of Minnesota Press, 1968.
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