(2006). Quality declared seed system: Expert consultation Rome, 5 - 7 May 2003/FAO seed and plant genetic resources service. Rome: FAO.
Chicago Style aipamenaQuality Declared Seed System: Expert Consultation Rome, 5 - 7 May 2003/FAO Seed and Plant Genetic Resources Service. Rome: FAO, 2006.
MLA aipamenaQuality Declared Seed System: Expert Consultation Rome, 5 - 7 May 2003/FAO Seed and Plant Genetic Resources Service. Rome: FAO, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.