Angel, S., Civco, D. L., & Parent, J. (2010). The fragmentation of urban footprints: Global evidence of sprawl 1990-2000. Lincoln Institute of Land Policy.
Citazione stile Chigago Style (17a edizione)Angel, Shlomo, Daniel L. Civco, e Jason Parent. The Fragmentation of Urban Footprints: Global Evidence of Sprawl 1990-2000. Cambridge, Massachusetts: Lincoln Institute of Land Policy, 2010.
Citatione MLA (9a ed.)Angel, Shlomo, et al. The Fragmentation of Urban Footprints: Global Evidence of Sprawl 1990-2000. Lincoln Institute of Land Policy, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.