Niall Ferguson: Colossus. Vzestup a pád amerického impéria. Czech Journal of International Relations, Prague, Czech Republic, v. 42, n. 3, p. 100–102, 2007. DOI: 10.32422/cjir.558. Disponível em: https://ojs3.iir.cz/index.php/cjir/article/view/558. Acesso em: 30 apr. 2026.