edited by Tan Kok Meng
Select Book, 2000
Buku Teks
Mehta, Kalyani K.
Springer, 2012
eBooks
edited by Francis Loh Kok Wah and Joakim Ojendal
ISEAS, 2005
Buku Teks
Powell, Robert, author
Periplus, 1999
Buku Referensi
Nikkei Inc,
Majalah, Jurnal, Buletin