Weber, A. (1971). Theory of the location of industries. New York: Russell & Russell.
Dyfyniad Arddull ChicagoWeber, Alfred. Theory of the Location of Industries. New York: Russell & Russell, 1971.
Dyfyniad MLAWeber, Alfred. Theory of the Location of Industries. New York: Russell & Russell, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.