1. Gated cities of tomorrow;Webster;Town Plann Rev,2001
2. Blakely EJ, Snyder MG. Fortress America: Gated Communities in the United States. Washington, DC/Cambridge, MA: Brookings Institution Press and Lincoln Institute of Land Policy; 1997.
3. City of quartz: excavating the future of Los Angeles;Davis,1992
4. Behind the gates: life, security, and the pursuit of happiness in Fortress America;Low,2003
5. The urban future: enclosed neighbourhoods?, Urban future conference, 10–14 July;Landman,2000