Berry, B. (2014). Banning DDT: How citizen activists in Wisconsin led the way. Wisconsin Historical Society Press.
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Dyfyniad Arddull Chicago
Berry, Bill. Banning DDT: How Citizen Activists in Wisconsin Led the Way. Madison, Wisconsin: Wisconsin Historical Society Press, 2014.
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Dyfyniad MLA
Berry, Bill. Banning DDT: How Citizen Activists in Wisconsin Led the Way. Wisconsin Historical Society Press, 2014.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.