Liebeler, S. Competitive conditions in the U.S. tuna industry. Washington: United States International Trade Commission.
Παραπομπή Chicago StyleLiebeler, Susan. Competitive Conditions in the U.S. Tuna Industry. Washington: United States International Trade Commission.
Παραπομπή MLALiebeler, Susan. Competitive Conditions in the U.S. Tuna Industry. Washington: United States International Trade Commission.
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