Hudson, Ray, author
Prentice-Hall, 2000
Buku Teks
Hudson, Ray, author
Prentice-Hall, 2000
Buku Teks
Garnant, Ross, author
ASEAN Economic Research Unit, Institute of Southeast Asian Studies, 1994
Buku Teks
Ingram, Robert W., author
Brington, 1980
Buku Teks
edited by Mary Feeney
Bowker Sour Limited, 1994
Buku Teks