8Gehrig.T.Cities and the geography of financial centers[M].Cambridge University Press, 2000.
9Davis.F.P.International financial centers-an industrial analysis[C].London Bank of England Discussion Paper; 1990, NO.51.
10Thrift N,Martin R.The social and cultural determinants of international financial centers:the case of the City of London[C].Oxford:Basil Blackwell,1994:325-355.
