Montgomery, D. C. (2011). Engineering statistics. New York: John Wiley and Son.
Dyfyniad Arddull ChicagoMontgomery, Doughlas C. Engineering Statistics. New York: John Wiley and Son, 2011.
Dyfyniad MLAMontgomery, Doughlas C. Engineering Statistics. New York: John Wiley and Son, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.