FREUD, Sigmund. Ego ir Id. Problemos, [S. l.], v. 17, p. 88–101, 1976. DOI: 10.15388/Problemos.1976.17.5614. Disponível em: https://www.zurnalai.vu.lt/problemos/article/view/5614. Acesso em: 4 jul. 2025.