Japan : RIJES Division Reitaku University
Majalah, Jurnal, Buletin
Bombay : International Magazine of Afro - Asian Affairs
Majalah, Jurnal, Buletin
Honolulu : International Secretariat of the Institute of Pasific Relations
Majalah, Jurnal, Buletin
Holsti, Ole R.
Boston Allen & Unwin 1984
Buku Teks
Bombay : Oxford Universty Press
Majalah, Jurnal, Buletin