Firestone. The Persistence of the Sacred in Modern Thought. University of Notre Dame Press.
Chicago-referens (17:e uppl.)Firestone. The Persistence of the Sacred in Modern Thought. University of Notre Dame Press.
MLA-referens (8:e uppl.)Firestone. The Persistence of the Sacred in Modern Thought. University of Notre Dame Press.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.