Coates, Margrit, author
Rider, 2003
Buku Teks
Mantle, Fiona, author
Elsevier , 2009
Buku Teks
Gerber, Richard, author
Bear & Company, 2001
Buku Teks
Alschuler, Lise N., author
Celestial Arts, 2010
Buku Teks
Shealy, C. Norman, author
Element, 1998
Buku Referensi