FAO. (1997). FAO/IPGRI Technical guidelines for the safe movement of germplasm; No.18: Allium spp. Rome, Italy: FAO.
Trích dẫn kiểu ChicagoFAO. FAO/IPGRI Technical Guidelines for the Safe Movement of Germplasm; No.18: Allium Spp. Rome, Italy: FAO, 1997.
MLA citiranjeFAO. FAO/IPGRI Technical Guidelines for the Safe Movement of Germplasm; No.18: Allium Spp. Rome, Italy: FAO, 1997.
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