Spitaels, G. (1971). Les conflits sociaux en Europe. Paris: Marabout Service.
Chicago Style aipamenaSpitaels, Guy. Les Conflits Sociaux En Europe. Paris: Marabout Service, 1971.
MLA aipamenaSpitaels, Guy. Les Conflits Sociaux En Europe. Paris: Marabout Service, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.