Harrod, . R., & Hague, D. (1963). International trade theory in a developing world. Macmillan.
Chicago-čujuhus (17. p.)Harrod, Roy, juo Douglas Hague. International Trade Theory in a Developing World. London: Macmillan, 1963.
MLA-čujuhus (9. p.)Harrod, Roy, juo Douglas Hague. International Trade Theory in a Developing World. Macmillan, 1963.
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