Arnheim, R. (1989). Thoughts on art education. Getty Center for Education in the Arts.
Chicago Style aipamenaArnheim, Rudolf. Thoughts on Art Education. [S.l.]: Getty Center for Education in the Arts, 1989.
MLA aipamenaArnheim, Rudolf. Thoughts on Art Education. Getty Center for Education in the Arts, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.