Chen, C., & Roth, H. (2005). The big book of six sigma training games: Creative ways to teach basic DMAIC principles and quality improvement tools. Tata McGraw-Hill.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chen, Chris, و Hadley Roth. The Big Book of Six Sigma Training Games: Creative Ways to Teach Basic DMAIC Principles and Quality Improvement Tools. New Delhi: Tata McGraw-Hill, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Chen, Chris, و Hadley Roth. The Big Book of Six Sigma Training Games: Creative Ways to Teach Basic DMAIC Principles and Quality Improvement Tools. Tata McGraw-Hill, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.