Bradbury, K. L., Downs, A., & Small, K. A. (1982). Urban decline and the future of American cities. The Brookings Institution.
Dyfyniad Arddull ChicagoBradbury, Katherine L., Anthony Downs, and Kenneth A. Small. Urban Decline and the Future of American Cities. Washington, D.C: The Brookings Institution, 1982.
Dyfyniad MLABradbury, Katherine L., et al. Urban Decline and the Future of American Cities. The Brookings Institution, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.