Allen, T. T. (2006). Introduction to engineering statistics and Six Sigma: Statistical quality control and design of experiments and systems (1a. ed.). Springer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Allen, Theodore T. Introduction to Engineering Statistics and Six Sigma: Statistical Quality Control and Design of Experiments and Systems. 1a. ed. Londres: Springer, 2006.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Allen, Theodore T. Introduction to Engineering Statistics and Six Sigma: Statistical Quality Control and Design of Experiments and Systems. 1a. ed. Springer, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.