Society of Manufacturing Engineers. (1995). The cost of poor quality. Society of Manufacturing Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Society of Manufacturing Engineers. The Cost of Poor Quality. Dearborn,MI: Society of Manufacturing Engineers, 1995.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Society of Manufacturing Engineers. The Cost of Poor Quality. Society of Manufacturing Engineers, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.