Setiawan Sabana
Gracia Art Gallery, 2006
Buku Referensi
Heron, Patrick
Routledge & Kegan Paul, 1956
Buku Teks SO
Grayson-Smith, Hugh
Prentice-Hall, 1967
Buku Teks SO
Bishop, Matt
Addison-Wesley, 2003
Buku Teks SO
Asch, David
Crest Publishing House, 1999
Buku Referensi