ebrary, Inc. (2001). Preventing health risks from the use of pesticides in agriculture. World Health Organization.
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Dyfyniad Arddull Chicago
ebrary, Inc. Preventing Health Risks from the Use of Pesticides in Agriculture. Washington, D.C.: World Health Organization, 2001.
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Dyfyniad MLA
ebrary, Inc. Preventing Health Risks from the Use of Pesticides in Agriculture. World Health Organization, 2001.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.