TOYNBEE, Arnold. Civilization on Trial. Problemos, [S. l.], v. 34, p. 73–79, 1986. DOI: 10.15388/Problemos.1986.34.6501. Disponível em: https://test.zurnalai.vu.lt/problemos/article/view/6501. Acesso em: 25 oct. 2025.