Distribution of Educational Expenditures of Higher Education Institutions. US Department of Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Distribution of Educational Expenditures of Higher Education Institutions. US Department of Education.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Distribution of Educational Expenditures of Higher Education Institutions. US Department of Education.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.