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Dyfyniad Arddull ChicagoFAO. FAO Plant Production and Protection Paper N.100.1: Pesticide Residues in Food - 1989: Report Sponsored Jointly By FAO and WHO: Part 1: Residues. Rome: FAO, 1990.
Dyfyniad MLAFAO. FAO Plant Production and Protection Paper N.100.1: Pesticide Residues in Food - 1989: Report Sponsored Jointly By FAO and WHO: Part 1: Residues. Rome: FAO, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.