Abrahamson, M. (2004). Global cities. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Abrahamson, Mark. Global Cities. New York: Oxford University Press, 2004.
Lua MLA (8ú heag.)Abrahamson, Mark. Global Cities. Oxford University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.