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Dyfyniad Arddull ChicagoSushil. Cornerstones of Enterprise Flexibility. New Delhi: Vikas publishing house, 2000.
Dyfyniad MLASushil. Cornerstones of Enterprise Flexibility. Vikas publishing house, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.