Godschalk, D. R. (1974). Planning in America: Learning from turbulence. Washington, D.C: American Institute of Planners.
Παραπομπή Chicago StyleGodschalk, David R. Planning in America: Learning From Turbulence. Washington, D.C: American Institute of Planners, 1974.
Παραπομπή MLAGodschalk, David R. Planning in America: Learning From Turbulence. Washington, D.C: American Institute of Planners, 1974.
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