(1959). Better urban transportation: Proceedings of the American Municipal Congress 1959. Washington, D.C: American Municipal Association.
Παραπομπή Chicago StyleBetter Urban Transportation: Proceedings of the American Municipal Congress 1959. Washington, D.C: American Municipal Association, 1959.
Παραπομπή MLABetter Urban Transportation: Proceedings of the American Municipal Congress 1959. Washington, D.C: American Municipal Association, 1959.
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