Nivola, P. S. (1999). Laws of the landscape: How policies shape cities in Europe and America. Brookings Institution.
Lua i Stíl Chicago (17ú heag.)Nivola, Pietro S. Laws of the Landscape: How Policies Shape Cities in Europe and America. Washington, D.C.: Brookings Institution, 1999.
Lua MLA (8ú heag.)Nivola, Pietro S. Laws of the Landscape: How Policies Shape Cities in Europe and America. Brookings Institution, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.