3 (1982): 319 Global cities form the capstone of the global hierarchy, exerting command and control through their economic and political influence.
3 (1982): 319 tiɣarmaten ti assurtaynen aqqal nat šund tekadayt daɣ anmillal daɣ alɣalim , kimandat nat tolas og-az nat assahat nasnat tan ekonomi id tan folitik