National Bureau of Economic Research, ebrary, Inc, & Feenstra, R. C. (1997). The effects of U.S. trade protection and promotion policies. University of Chicago Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)National Bureau of Economic Research, Inc ebrary, ба Robert C. Feenstra. The Effects of U.S. Trade Protection and Promotion Policies. Chicago: University of Chicago Press, 1997.
MLA -ийн эшлэл (9 дэх хэвлэлт)National Bureau of Economic Research, et al. The Effects of U.S. Trade Protection and Promotion Policies. University of Chicago Press, 1997.
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