Ziegler, J. (2005). On the use of the "New Sciences" (medicine, alchemy, astrology, and physiognomy) for religious purposes c. 1300. Max-Planck-Institut für Wissenschaftsgeschichte.
Chicago-referens (17:e uppl.)Ziegler, Joseph. On the Use of the "New Sciences" (medicine, Alchemy, Astrology, and Physiognomy) for Religious Purposes C. 1300. Berlin: Max-Planck-Institut für Wissenschaftsgeschichte, 2005.
MLA-referens (8:e uppl.)Ziegler, Joseph. On the Use of the "New Sciences" (medicine, Alchemy, Astrology, and Physiognomy) for Religious Purposes C. 1300. Max-Planck-Institut für Wissenschaftsgeschichte, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.