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Dyfyniad Arddull ChicagoJ Kogan. World Bibliography of Soybean Entomology. Vol II. USA: Illinois Agricultural Experiment Station, 1988.
Dyfyniad MLAJ Kogan. World Bibliography of Soybean Entomology. Vol II. USA: Illinois Agricultural Experiment Station, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.