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Dyfyniad Arddull ChicagoFinch, Byron J. OperationsNow.com: Processes, Value, and Profitability. New York: McGraw-Hill, 2003.
Dyfyniad MLAFinch, Byron J. OperationsNow.com: Processes, Value, and Profitability. McGraw-Hill, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.