Giddins, Gary, author
Little, Brown and Company, 2001
Buku Teks
Khoo, Kheng Hor, author
Bhuana Ilmu Populer , 2003
Buku Teks
Low, Angelica, author
Inovasi, 2003
Buku Teks
Darto Harnoko, author
Departemen Pendidikan dan Kebudayaan, 1986
Buku Teks
Medieval Institute Publications,, 1982.
Buku Teks