Não informado. (1903). Education. Association of Education Committees.
Chicago-referens (17:e uppl.)Não informado. Education. London: Association of Education Committees, 1903.
MLA-referens (8:e uppl.)Não informado. Education. Association of Education Committees, 1903.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.