Fourth International. (1993). Socialism or barbarism on the eve of the 21st century: Programmatic Manifesto of the Fourth International.
Citazione stile Chigago Style (17a edizione)Fourth International. Socialism or Barbarism on the Eve of the 21st Century: Programmatic Manifesto of the Fourth International. 1993.
Citatione MLA (8a ed.)Fourth International. Socialism or Barbarism on the Eve of the 21st Century: Programmatic Manifesto of the Fourth International. 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.