KENTOR, Jeffrey; SOBEK, Adam; TIMBERLAKE, Michael. Interlocking Corporate Directorates and the Global City Hierarchy. Journal of World-Systems Research, [S. l.], v. 17, n. 2, p. 498–514, 2011. DOI: 10.5195/jwsr.2011.415. Disponível em: https://jwsr.pitt.edu/ojs/jwsr/article/view/415. Acesso em: 15 mar. 2026.