Shannon, L. W. (1957). Underdeveloped areas: A book of readings and research. Harper.
Chicago-čujuhus (17. p.)Shannon, Lyle W. Underdeveloped Areas: A Book of Readings and Research. New York: Harper, 1957.
MLA-čujuhus (9. p.)Shannon, Lyle W. Underdeveloped Areas: A Book of Readings and Research. Harper, 1957.
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