Dyfyniad APA

(1990). The economic effects of significant U.S. import restraints, phase II: Agricultural products and natural resources. Washington,D.C: United States International Trade Commission.

Dyfyniad Arddull Chicago

The Economic Effects of Significant U.S. Import Restraints, Phase II: Agricultural Products and Natural Resources. Washington,D.C: United States International Trade Commission, 1990.

Dyfyniad MLA

The Economic Effects of Significant U.S. Import Restraints, Phase II: Agricultural Products and Natural Resources. Washington,D.C: United States International Trade Commission, 1990.

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