URQUIDI, Víctor L. Sidney Dell. Trade blocs and common markets. Nueva York : Alfred A. Knopf, 1963. 384 p. Foro Internacional, [S. l.], v. 4, n. 4, p. 612–616, 1964. Disponível em: https://forointernacional.colmex.mx/index.php/fi/article/view/184. Acesso em: 19 nov. 2024.