JOHNSTON, J. Econometric methods fourth ed. McGrow-Hill.
Chicago (17e ed.) BronvermeldingJOHNSTON, Jack. Econometric Methods Fourth Ed. McGrow-Hill.
MLA (8e ed.) BronvermeldingJOHNSTON, Jack. Econometric Methods Fourth Ed. McGrow-Hill.
Let op: Deze citaties zijn niet altijd 100% accuraat.