1. American Farmland Trust, 1997. Saving American Farmland: What Works. American Farmland Trust, Washington, DC.
2. Arendt, R., 1991. Cluster Development: A Profitable Way to Save Open Space. Land Development: 26–30.
3. Basing cluster techniques on development densities appropriate to the area;Arendt;J. Am. Plann. Assoc.,1997
4. Arendt, R., Brabec, E.A., Dodson, H., Reid, C., Yaro, R.D., 1994. Rural by design: maintaining small town character. American Planning Association, Chicago.
5. Bryant, C., Johnston, T., 1992. Agriculture in the City’s Countryside. Belhaven Press, London.