Não informado. (1902). Yearbook of the National Society for the Study of Education. University of Chicago Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Yearbook of the National Society for the Study of Education. Chicago, Ill: University of Chicago Press, 1902.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Yearbook of the National Society for the Study of Education. University of Chicago Press, 1902.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.