Wheeler, D. J. (1986). Understanding statistical process control. Statistical Process Control.
Chicago (17e ed.) BronvermeldingWheeler, Donald J. Understanding Statistical Process Control. Knoxville, Tenn: Statistical Process Control, 1986.
MLA (9e ed.) BronvermeldingWheeler, Donald J. Understanding Statistical Process Control. Statistical Process Control, 1986.
Let op: Deze citaties zijn niet altijd 100% accuraat.