(1990). California pesticide residue initiative: Probable effects on U.S. international trade in agricultural food products. Washington, DC: United States International Trade Commission.
Chicago-tyylinen lähdeviittausCalifornia Pesticide Residue Initiative: Probable Effects On U.S. International Trade in Agricultural Food Products. Washington, DC: United States International Trade Commission, 1990.
MLA-viiteCalifornia Pesticide Residue Initiative: Probable Effects On U.S. International Trade in Agricultural Food Products. Washington, DC: United States International Trade Commission, 1990.
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