1. Baden-Fuller, C. (1993) The globalisation of professional service firms: evidence form four case studies, in Coalitions and Competition: The Globalisation of Professional Business Services (edited by Y. Aharoni), Routledge, London, pp. 102-20.
2. Ball, M. (1986) The built environment and the urban question, Environment and Planning D: Society and Space 4, 447-64.
3. Ball, M., Lizieri, C. and MacGregor, B.D. (1998) The Economics of Commercial Property Markets, Routledge, London.
4. Berry, J. and McGreal, S. (eds) (1995) European Cities, Planning Systems and Property Markets, E & FN Spon, London.
5. Bland, P., Holland, I., Healey, P. and Williams, R. (1992) The European Expansion Strategies of British Property Consultancy Firms: A Survey, Working Paper No. 17, Department of Town and Country Planning, University of Newcastle upon Tyne.