Fourth International. (1993). Socialism or barbarism on the eve of the 21st century: Programmatic Manifesto of the Fourth International.
Chicago-referens (17:e uppl.)Fourth International. Socialism or Barbarism on the Eve of the 21st Century: Programmatic Manifesto of the Fourth International. 1993.
MLA-referens (8:e uppl.)Fourth International. Socialism or Barbarism on the Eve of the 21st Century: Programmatic Manifesto of the Fourth International. 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.