Παραπομπή σε μορφή APA (7η εκδ.)

Shirwood, W., & Kretzmann, N. (1968). William of Sherwood's Treatise on syncategorematic words. University of Minnesota Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Shirwood, William, και Norman Kretzmann. William of Sherwood's Treatise on Syncategorematic Words. Minneapolis: University of Minnesota Press, 1968.

Παραπομπή σε μορφή MLA (9th εκδ.)

Shirwood, William, και Norman Kretzmann. William of Sherwood's Treatise on Syncategorematic Words. University of Minnesota Press, 1968.