Harrod, R. F., & Hague, D. (1964). International trade theory in a developing world. Macmillan.
Chicago-čujuhus (17. p.)Harrod, Roy F., juo Douglas Hague. International Trade Theory in a Developing World. Londres: Macmillan, 1964.
MLA-čujuhus (9. p.)Harrod, Roy F., juo Douglas Hague. International Trade Theory in a Developing World. Macmillan, 1964.
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