APA-referens (7:e uppl.)
DeAngelis, W. J. (2007). Ludwig Wittgenstein--a cultural point of view: Philosophy in the darkness of this time. Ashgate.
Chicago-referens (17:e uppl.)
DeAngelis, William James. Ludwig Wittgenstein--a Cultural Point of View: Philosophy in the Darkness of This Time. Aldershot, England ; Burlington, VT: Ashgate, 2007.
MLA-referens (9:e uppl.)
DeAngelis, William James. Ludwig Wittgenstein--a Cultural Point of View: Philosophy in the Darkness of This Time. Ashgate, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.