APA (7e ed.) Bronvermelding

Fourth International. (1993). Socialism or barbarism on the eve of the 21st century: Programmatic Manifesto of the Fourth International.

Chicago (17e ed.) Bronvermelding

Fourth International. Socialism or Barbarism on the Eve of the 21st Century: Programmatic Manifesto of the Fourth International. 1993.

MLA (8e ed.) Bronvermelding

Fourth International. Socialism or Barbarism on the Eve of the 21st Century: Programmatic Manifesto of the Fourth International. 1993.

Let op: Deze citaties zijn niet altijd 100% accuraat.