Keller, G. (2009). Statistics for Management. Oxford University Press.
Dyfyniad Arddull ChicagoKeller, Gerald. Statistics for Management. New Delhi: Oxford University Press, 2009.
Dyfyniad MLAKeller, Gerald. Statistics for Management. Oxford University Press, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.