Heinrich, v. G., Teske, R. J., & Heinrich von Gent. (2008). Henry of Ghent's Summa of ordinary questions: Article one: On the possibility of knowing. St. Augustine's Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Heinrich, von Gent, Roland J. Teske, και Heinrich von Gent. Henry of Ghent's Summa of Ordinary Questions: Article One: On the Possibility of Knowing. South Bend, Ind: St. Augustine's Press, 2008.
Παραπομπή σε μορφή MLA (9th εκδ.)Heinrich, von Gent, et al. Henry of Ghent's Summa of Ordinary Questions: Article One: On the Possibility of Knowing. St. Augustine's Press, 2008.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.
