Wolfflin, Heinrich, 1864-1945, author
Dover Publications, 1922
Buku Teks
Lund humphries,
Majalah, Jurnal, Buletin
Adams, Laurie Schneider, author
Brown & Benchmark , 1997
Buku Referensi
Bagyo Suharyono, author
PPPPT Depdiknas, 2003
Buku Teks
Raheb-Mol, Joanne., author
Oxford University Press, 1998
Buku Referensi