Wetherill, G. B. Elementary Statistical Methods. Springer International Publishing.
Chicago (17e ed.) BronvermeldingWetherill, G. Barrie. Elementary Statistical Methods. Cham: Springer International Publishing.
MLA (8e ed.) BronvermeldingWetherill, G. Barrie. Elementary Statistical Methods. Springer International Publishing.
Let op: Deze citaties zijn niet altijd 100% accuraat.