Não informado. (1971). Art Teacher. National Art Education Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Art Teacher. Reston, Va: National Art Education Association, 1971.
MLA-Zitierstil (8. Ausg.)Não informado. Art Teacher. National Art Education Association, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.