Ypma, Herbert, author
Thames & Hudson, 2000
Buku Referensi
Cuito, Aurora, author
Hongkong : Page One Publishing, 2002,
Buku Referensi
Ypma, Herbert, author
Thames & Hudson, 2000
Buku Referensi
Rockport Publishers, 1998
Buku Teks
Ypma, Herbert, author
Thames & Hudson, 1999
Buku Referensi