Berthouex, P. M., & .Brown, L. C. (1994). Statistics for environmental engineers. Lewis Publishers.
Chicago (17e ed.) BronvermeldingBerthouex, Paul Mac, en Linfield C. .Brown. Statistics for Environmental Engineers. Boca Raton: Lewis Publishers, 1994.
MLA (9e ed.) BronvermeldingBerthouex, Paul Mac, en Linfield C. .Brown. Statistics for Environmental Engineers. Lewis Publishers, 1994.