Tweedy, B. G. (1991). Pesticide residues and food safety: A harvest of viewpoints. American Chemical Society.
Tohutoru Kātū Chicago (17th ed.)Tweedy, B. G. Pesticide Residues and Food Safety: A Harvest of Viewpoints. Washington, D.C: American Chemical Society, 1991.
Tohutoro MLA (9th ed.)Tweedy, B. G. Pesticide Residues and Food Safety: A Harvest of Viewpoints. American Chemical Society, 1991.
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