FERRIS, John. Herman, Michael.  Intelligence Power in Peace and War.  London: The Royal Institute of International Affairs, Cambridge University Press, 1996. Journal of Conflict Studies, [S. l.], v. 18, n. 1, 1998. Disponível em: https://journals.lib.unb.ca/index.php/JCS/article/view/11681. Acesso em: 2 apr. 2025.