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Dyfyniad Arddull ChicagoIPGRI. FAO and IPGRI Technical Guidelines for Safe Movement of Germplasm; 1996; N.16: Stone Fruits. Rome: FAO, 1996.
Dyfyniad MLAIPGRI. FAO and IPGRI Technical Guidelines for Safe Movement of Germplasm; 1996; N.16: Stone Fruits. Rome: FAO, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.