Berthouex, P. M., & .Brown, L. C. (1994). Statistics for environmental engineers. Lewis Publishers.
Chicago-viite (17. p.)Berthouex, Paul Mac, ja Linfield C. .Brown. Statistics for Environmental Engineers. Boca Raton: Lewis Publishers, 1994.
MLA-viite (9. p.)Berthouex, Paul Mac, ja Linfield C. .Brown. Statistics for Environmental Engineers. Lewis Publishers, 1994.
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