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2. Arvon, H., L'Anarchisme. Paris 1998: Presses Universitaires de France.
3. Berlin, I., Karl Marx: His Life and Environment. New York 1595: Galaxy Books.
4. Buber, M., Between Man and Man. Trans. by R. Gregor-Smith. New York 2002: Routledge.
5. Bueno de Mesquita, B., & Smith, A., The Dictator's Handbook: Why Bad Behavior is Almost Always Good Politics. New York 2011: PublicAffairs.