Spalding, J. L. (1901). Progress in education: Address delivered before the National Education Association, July 9, 1901, Detroit, Michigan. Ave Maria.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Spalding, John Lancaster. Progress in Education: Address Delivered Before the National Education Association, July 9, 1901, Detroit, Michigan. Notre Dame, Ind.: Ave Maria, 1901.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Spalding, John Lancaster. Progress in Education: Address Delivered Before the National Education Association, July 9, 1901, Detroit, Michigan. Ave Maria, 1901.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.