Berthouex, P. M., & .Brown, L. C. (1994). Statistics for environmental engineers. Lewis Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Berthouex, Paul Mac, و Linfield C. .Brown. Statistics for Environmental Engineers. Boca Raton: Lewis Publishers, 1994.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Berthouex, Paul Mac, و Linfield C. .Brown. Statistics for Environmental Engineers. Lewis Publishers, 1994.