Caan, Shashi, author
Laurence king Publishing, 2011
Buku Teks
Portillo, Margaret, author
John Wiley & Sons, 2009
Buku Teks
Shaw, Ros Byam
Hongkong : Page one Publishing, 2000,
Buku Referensi
by Sherman R.Emery ... [and others]
Design Books, 1983
Buku Teks
Massachusetts: Rockport Publishers,, 1997
Buku Teks