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Dyfyniad Arddull ChicagoSingh, Amer. Fruit Physiology and Production. Kalyani: Kalyani Publishers, 2002.
Dyfyniad MLASingh, Amer. Fruit Physiology and Production. Kalyani Publishers, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.