FREUD, Sigmund. Ego and Id. Problemos, [S. l.], v. 17, p. 88–101, 1976. DOI: 10.15388/Problemos.1976.17.5614. Disponível em: https://test.zurnalai.vu.lt/problemos/article/view/5614. Acesso em: 26 oct. 2025.