Nivola, P. S. (1999). Laws of the landscape: How policies shape cities in Europe and America. Brookings Institution.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNivola, Pietro S. Laws of the Landscape: How Policies Shape Cities in Europe and America. Washington, D.C.: Brookings Institution, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNivola, Pietro S. Laws of the Landscape: How Policies Shape Cities in Europe and America. Brookings Institution, 1999.
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