KALENDA, Česlovas. On Subject and Structure of Ethics. Problemos, [S. l.], v. 36, p. 126–127, 1987. DOI: 10.15388/Problemos.1987.0.7220. Disponível em: https://journals.vu.lt./problemos/article/view/7220. Acesso em: 27 apr. 2025.