Shannon, T. A. (2013). The ethical theory of John Duns Scotus: A dialogue with medieval and modern thought (New edition.). Franciscan Institute Publications, St. Bonaventure University.
Chicago-referens (17:e uppl.)Shannon, Thomas A. The Ethical Theory of John Duns Scotus: A Dialogue with Medieval and Modern Thought. New edition. St. Bonaventure, New York: Franciscan Institute Publications, St. Bonaventure University, 2013.
MLA-referens (9:e uppl.)Shannon, Thomas A. The Ethical Theory of John Duns Scotus: A Dialogue with Medieval and Modern Thought. New edition. Franciscan Institute Publications, St. Bonaventure University, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.