R J Hillocks J M Waller. (1997). Soilborne Diseases Of Tropical Crops. CAB International.
Dyfyniad Arddull ChicagoR J Hillocks J M Waller. Soilborne Diseases Of Tropical Crops. UK: CAB International, 1997.
Dyfyniad MLAR J Hillocks J M Waller. Soilborne Diseases Of Tropical Crops. CAB International, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.