Frug, G. E. (1999). City making: Building communities without building walls. Princeton University Press.
Dyfyniad Arddull ChicagoFrug, Gerald E. City Making: Building Communities Without Building Walls. Princeton, N.J.: Princeton University Press, 1999.
Dyfyniad MLAFrug, Gerald E. City Making: Building Communities Without Building Walls. Princeton University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.