Wilber, C. K. (1969). The Soviet model and underdeveloped countries. Chapel Hill: University of North Carolina Press.
Παραπομπή Chicago StyleWilber, Charles K. The Soviet Model and Underdeveloped Countries. Chapel Hill: University of North Carolina Press, 1969.
Παραπομπή MLAWilber, Charles K. The Soviet Model and Underdeveloped Countries. Chapel Hill: University of North Carolina Press, 1969.
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