Walton, G. A. (1893). Brief descriptive sketch of the teachers' training schools and classes of Massachusetts. Nathan Sawyer & Son, printers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Walton, George A. Brief Descriptive Sketch of the Teachers' Training Schools and Classes of Massachusetts. Boston: Nathan Sawyer & Son, printers, 1893.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Walton, George A. Brief Descriptive Sketch of the Teachers' Training Schools and Classes of Massachusetts. Nathan Sawyer & Son, printers, 1893.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.