Stamp, L. D. (1953). Land for tomorrow: The underdeveloped world. Bloomington : New York: Indiana University Press American Geographical Society.
Παραπομπή Chicago StyleStamp, L. Dudley. Land for Tomorrow: The Underdeveloped World. Bloomington : New York: Indiana University Press American Geographical Society, 1953.
Παραπομπή MLAStamp, L. Dudley. Land for Tomorrow: The Underdeveloped World. Bloomington : New York: Indiana University Press American Geographical Society, 1953.
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