APA-čujuhus (7. p.)
Lewis, A. W. (1966). Development planning: The essential of economics policy. Harper.
Chicago-čujuhus (17. p.)
Lewis, Arthur W. Development Planning: The Essential of Economics Policy. New York: Harper, 1966.
MLA-čujuhus (9. p.)
Lewis, Arthur W. Development Planning: The Essential of Economics Policy. Harper, 1966.
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