Von Eckardt, W., & Gottmann, J. M. (1964). The challenge of Megalopolis, a graphic presentation of the urbanized Northeastern Seaboard of the United States. MacMillan.
Dyfyniad Arddull ChicagoVon Eckardt, Wolf, and Jean. Megapolis Gottmann. The Challenge of Megalopolis, a Graphic Presentation of the Urbanized Northeastern Seaboard of the United States. New Yorkn: MacMillan, 1964.
Dyfyniad MLAVon Eckardt, Wolf, and Jean. Megapolis Gottmann. The Challenge of Megalopolis, a Graphic Presentation of the Urbanized Northeastern Seaboard of the United States. MacMillan, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.