SURAMERICANAS, U. de N. Declaration of the Council of Heads and Heads of State and Government of the Union of South American Nations (UNASUR). Comentario Internacional. Journal of the Andean Center of International Studies, [S. l.], n. 13, p. 221–222, 2013. Disponível em: https://revistas.uasb.edu.ec/index.php/comentario/article/view/56. Acesso em: 22 jul. 2024.