FAO. (2001). Guidelines on organization and operation of training schemes and certification procedures for operators of pesticide application equipment: FAO. Rome, Italy: FAO.
Dyfyniad Arddull ChicagoFAO. Guidelines On Organization and Operation of Training Schemes and Certification Procedures for Operators of Pesticide Application Equipment: FAO. Rome, Italy: FAO, 2001.
Dyfyniad MLAFAO. Guidelines On Organization and Operation of Training Schemes and Certification Procedures for Operators of Pesticide Application Equipment: FAO. Rome, Italy: FAO, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.