BUCHANAN, N. S. (1955). Approaches to economic development. The Twentieth Century Fund.
Chicago-čujuhus (17. p.)BUCHANAN, Norman S. Approaches to Economic Development. New York: The Twentieth Century Fund, 1955.
MLA-čujuhus (9. p.)BUCHANAN, Norman S. Approaches to Economic Development. The Twentieth Century Fund, 1955.
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