Arnheim, Rudolf, author
University of California Press, 1957
Buku Referensi
Gregory, R. L., author
McGraw-Hill, 1973
Buku Teks
Maritain, Jacques, author
Pantheon Books , 1955
Buku Teks
Serenella Ciclitira, editor
Skira editore, 2011
Buku Teks
edited by Deborah Cherry
Blackwell, 2005
Buku Teks