Frug, G. E. (1999). City making: Building communities without building walls. Princeton University Press.
Chicago (17e ed.) BronvermeldingFrug, Gerald E. City Making: Building Communities Without Building Walls. Princeton, N.J.: Princeton University Press, 1999.
MLA (9e ed.) BronvermeldingFrug, Gerald E. City Making: Building Communities Without Building Walls. Princeton University Press, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.