5Revised Standards for Definiing Metropolitan Areas in the 1990s, U. S. CensusBureau, Washington D. C, 10/27/2000.
6Population Estimates for Metropolitan Areas and Components, Annual Time Series,April 1, 1990 to July 1, 1999, U.S.Census Bureau,Washington D.C, 10/27/2000.
7Scott Greer, Governing the Metropolis, Westport, Connecticut, Greenwood Press,1962.
8Sharpe, L. J.ed. The Government ofWorld Cities: The Future of the Metro Model[M]. Chichester: Wiley, 1995.
9Lefevre, C. Metropolitan government and Governance in West Countries: A CriticalReview[J]. International Journal of Urban and Regional Research, 1998,22:9-23.
10Feldman, L. Metro Toronto: Old Battle, New Challenges[A]. In L.J. Shape(ed.), TheGovernment of World Cities[M]. Chichester: Wiley, 1995.
