(2006). User's Guide to Computing High School Graduation Rates, Volume 2: Technical Evaluation of Proxy Graduation Indicators. U.S. Department of Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)User's Guide to Computing High School Graduation Rates, Volume 2: Technical Evaluation of Proxy Graduation Indicators. U.S. Department of Education, 2006.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)User's Guide to Computing High School Graduation Rates, Volume 2: Technical Evaluation of Proxy Graduation Indicators. U.S. Department of Education, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.