Yayasan Bina Asia-Pasifik, 2012
Majalah, Jurnal, Buletin
Eleqant, Robert
Avon Books, 1991
Buku Teks
Japan : Ritsumekan center for asia pacific studies ritsumekan asia pacific university Beppu, Oita-Ken, 2006,
Majalah, Jurnal, Buletin
Yayasan Nabil,
Majalah, Jurnal, Buletin
United Nations , 1992
Buku Teks