Duncan, A. (2018). How schools work: An inside account of failure and success from one of the nation's longest-serving secretaries of education (First Simon & Schuster hardcover edition.). Simon & Schuster.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Duncan, Arne. How Schools Work: An Inside Account of Failure and Success from One of the Nation's Longest-serving Secretaries of Education. First Simon & Schuster hardcover edition. New York: Simon & Schuster, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Duncan, Arne. How Schools Work: An Inside Account of Failure and Success from One of the Nation's Longest-serving Secretaries of Education. First Simon & Schuster hardcover edition. Simon & Schuster, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.