International Organization for Standardization. (2006). International Standard ISO 8422: Sequential sampling plans for inspection by attributes (Second edition.). International Organization for Standardization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Organization for Standardization. International Standard ISO 8422: Sequential Sampling Plans for Inspection by Attributes. Second edition. Geneva, Switzerland: International Organization for Standardization, 2006.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Organization for Standardization. International Standard ISO 8422: Sequential Sampling Plans for Inspection by Attributes. Second edition. International Organization for Standardization, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.