Fourth International. (1993). Socialism or barbarism on the eve of the 21st century: Programmatic Manifesto of the Fourth International.
Dyfyniad Arddull ChicagoFourth International. Socialism or Barbarism on the Eve of the 21st Century: Programmatic Manifesto of the Fourth International. 1993.
Dyfyniad MLAFourth International. Socialism or Barbarism on the Eve of the 21st Century: Programmatic Manifesto of the Fourth International. 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.