Walton, G. A. (1893). Brief descriptive sketch of the teachers' training schools and classes of Massachusetts. Nathan Sawyer & Son, printers.
Chicago-referens (17:e uppl.)Walton, George A. Brief Descriptive Sketch of the Teachers' Training Schools and Classes of Massachusetts. Boston: Nathan Sawyer & Son, printers, 1893.
MLA-referens (8:e uppl.)Walton, George A. Brief Descriptive Sketch of the Teachers' Training Schools and Classes of Massachusetts. Nathan Sawyer & Son, printers, 1893.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.