Snowdon Annal. (1990). Colour atlas of post-harvest diseases and disorders of fruits and vegetables: General introduction and fruits. V.1. Wolfe Scientific Ltd.
Dyfyniad Arddull ChicagoSnowdon Annal. Colour Atlas of Post-harvest Diseases and Disorders of Fruits and Vegetables: General Introduction and Fruits. V.1. Spain: Wolfe Scientific Ltd, 1990.
Dyfyniad MLASnowdon Annal. Colour Atlas of Post-harvest Diseases and Disorders of Fruits and Vegetables: General Introduction and Fruits. V.1. Wolfe Scientific Ltd, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.