Stilwell, F. (1992). Understanding Cities & Regions Frank Stilwell. Pluto Press.
Lua i Stíl Chicago (17ú heag.)Stilwell, Frank. Understanding Cities & Regions Frank Stilwell. Pluto Press, 1992.
Lua MLA (8ú heag.)Stilwell, Frank. Understanding Cities & Regions Frank Stilwell. Pluto Press, 1992.
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