Não informado. (1948). Art Education. National Art Education Association.
Chicago-referens (17:e uppl.)Não informado. Art Education. Reston, Va: National Art Education Association, 1948.
MLA-referens (8:e uppl.)Não informado. Art Education. National Art Education Association, 1948.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.