Thomas, R. S., & Corbin, P. B. (1974). The geography of economic activity (3rd ed.). New York: Mc Graw-Hill.
Παραπομπή Chicago StyleThomas, Richard Samuel, and Peter B. Corbin. The Geography of Economic Activity. 3rd ed. New York: Mc Graw-Hill, 1974.
Παραπομπή MLAThomas, Richard Samuel, and Peter B. Corbin. The Geography of Economic Activity. 3rd ed. New York: Mc Graw-Hill, 1974.
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