TURCHIN, P.; ADAMS, J. M.; HALL, T. D. East-West Orientation of Historical Empires and Modern States. Journal of World-Systems Research, [S. l.], v. 12, n. 2, p. 219–229, 2006. DOI: 10.5195/jwsr.2006.369. Disponível em: https://jwsr.pitt.edu/ojs/jwsr/article/view/369. Acesso em: 28 mar. 2024.