Krugman, P. R. (1988). International economics: Theory and policy. Scott, Foresman and Company.
Tohutoru Kātū Chicago (17th ed.)Krugman, Paul R. International Economics: Theory and Policy. Boston: Scott, Foresman and Company, 1988.
Tohutoro MLA (9th ed.)Krugman, Paul R. International Economics: Theory and Policy. Scott, Foresman and Company, 1988.
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