Greenaway, J. (2012). The differentiation of authority: The medieval turn toward existence. Catholic University of America Press.
Chicago-referens (17:e uppl.)Greenaway, James. The Differentiation of Authority: The Medieval Turn Toward Existence. Washington, DC: Catholic University of America Press, 2012.
MLA-referens (9:e uppl.)Greenaway, James. The Differentiation of Authority: The Medieval Turn Toward Existence. Catholic University of America Press, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.