James, P. E. (1964). One world divided: A geographer looks at the modern world. New York: Blaisdell Publishing Company.
Παραπομπή Chicago StyleJames, Preston E. One World Divided: A Geographer Looks At the Modern World. New York: Blaisdell Publishing Company, 1964.
Παραπομπή MLAJames, Preston E. One World Divided: A Geographer Looks At the Modern World. New York: Blaisdell Publishing Company, 1964.
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