VALENTINAVIČIUS, V. A. Toynbee’s Historiosophy. Problemos, [S. l.], v. 34, p. 70–72, 1986. DOI: 10.15388/Problemos.1986.34.6500. Disponível em: https://test.zurnalai.vu.lt/problemos/article/view/6500. Acesso em: 24 oct. 2025.