Dyfyniad APA

(2006). Quality declared seed system: Expert consultation Rome, 5 - 7 May 2003/FAO seed and plant genetic resources service. Rome: FAO.

Dyfyniad Arddull Chicago

Quality Declared Seed System: Expert Consultation Rome, 5 - 7 May 2003/FAO Seed and Plant Genetic Resources Service. Rome: FAO, 2006.

Dyfyniad MLA

Quality Declared Seed System: Expert Consultation Rome, 5 - 7 May 2003/FAO Seed and Plant Genetic Resources Service. Rome: FAO, 2006.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.