Plenert, G. J. (2012). Strategic continuous process improvement: Which quality tools to use, and when to use them. McGraw-Hill.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Plenert, Gerhard Johannes. Strategic Continuous Process Improvement: Which Quality Tools to Use, and When to Use Them. New York: McGraw-Hill, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Plenert, Gerhard Johannes. Strategic Continuous Process Improvement: Which Quality Tools to Use, and When to Use Them. McGraw-Hill, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.