Dyfyniad APA

Hufbauer, G. C. (1986). Trade protection in the United States: 31 case studies. Washington: Institute for International Economics.

Dyfyniad Arddull Chicago

Hufbauer, Gary Clyde. Trade Protection in the United States: 31 Case Studies. Washington: Institute for International Economics, 1986.

Dyfyniad MLA

Hufbauer, Gary Clyde. Trade Protection in the United States: 31 Case Studies. Washington: Institute for International Economics, 1986.

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