PARKINSON, Frederick. Frost, Mike with Michel Gratton. Spyworld: Inside the Canadian and American Intelligence Establishments. Toronto: Doubleday, 1994. Journal of Conflict Studies, [S. l.], v. 16, n. 1, 1996. Disponível em: https://journals.lib.unb.ca/index.php/JCS/article/view/4537. Acesso em: 17 jul. 2024.