Bergsmark, D. R. (1943). Economic geography of Asia. Prentice-Hall.
Dyfyniad Arddull ChicagoBergsmark, Daniel R. Economic Geography of Asia. New York: Prentice-Hall, 1943.
Dyfyniad MLABergsmark, Daniel R. Economic Geography of Asia. Prentice-Hall, 1943.
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