Asia Pacific Business Network, 1995
Buku Teks
Ziegler, Raymond J.
Appleton-Century-Crofts, 1966
Buku Teks
Rohan Gunaratna, Stefanie Kam.
Imperial College Press, 2016
Buku Teks
Asia-Pacific Center, 1992
Buku Teks
Capie, David, author
ISEAS, 2007
Buku Referensi