(1990). California pesticide residue initiative: Probable effects on U.S. international trade in agricultural food products. Washington, DC: United States International Trade Commission.
استشهاد بنمط شيكاغوCalifornia Pesticide Residue Initiative: Probable Effects On U.S. International Trade in Agricultural Food Products. Washington, DC: United States International Trade Commission, 1990.
MLA استشهادCalifornia Pesticide Residue Initiative: Probable Effects On U.S. International Trade in Agricultural Food Products. Washington, DC: United States International Trade Commission, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.