1. Power and Position in the World City System
2. Allen, J. (1999) Cities of power and influence: settled formations , in: J. Allen, D. Massey and M. Pryke (Eds) Unsettling Cities, pp. 181-228. London : Routledge.
3. Amin, A. and Graham, S. (1999) Cities of connection and disconnection, in: J. Allen, D. Massey and M. Pryke (Eds) Unsettling Cities, pp. 7-38. London: Routledge .
4. Globalization and world cities: some measurement methodologies