Emerald, 2016
eBooks
ASEAN Secretariat, 2016
Buku Teks
Tahija, Julius, author
Times Books International , 1995
Buku Teks
Nick J. Freeman, editor
Institute of Southeast Asian Studies, 2003
Buku Teks
Lipper, Arthur, III, author
Dow Jones Irwin, 1984
Buku Teks