VESTERGAARD, Frede. Verden i 2030 – ifølge National Intelligence Council. Udenrigs, [S. l.], n. 1, p. 114–119, 2013. DOI: 10.7146/udenrigs.v0i1.118672. Disponível em: https://tidsskrift.dk/udenrigs/article/view/118672. Acesso em: 5 dec. 2025.