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2. American Council on Intergovernmental Relations, 1976. Improving Urban America: A Challenge to Federalism. US Government Printing Office, Washington, DC.
3. Austin, D.A., 1996. Politics vs. Economics: The Case of Municipal Annexation. University of Houston Working Paper.
4. Axelrod, D., 1992. Shadow Government: The Hidden World of Public Authorities. Wiley, New York.
5. Bearchell, C., Fried L., 1988. The San Fernando Valley: Then and Now. Windsor, Northridge, CA.