SUNKEL, O. Carles Wolf Jr. y Sydney C. Sufrin, Capital formation and foreign investment in Underdeveloped Areas: Notas bibliográficas. El Trimestre Económico, [S. l.], v. 23, n. 92, p. 497–499, 1956. Disponível em: https://eltrimestreeconomico.com.mx/index.php/te/article/view/2468. Acesso em: 13 jul. 2026.