Παραπομπή σε μορφή APA (7η εκδ.)

Covington, M. A. (1984). Syntactic theory in the high middle ages: Modistic models of sentence structure. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Covington, Michael A. Syntactic Theory in the High Middle Ages: Modistic Models of Sentence Structure. Cambridge: Cambridge University Press, 1984.

Παραπομπή σε μορφή MLA (8th εκδ.)

Covington, Michael A. Syntactic Theory in the High Middle Ages: Modistic Models of Sentence Structure. Cambridge University Press, 1984.