edited by Mary Frase Williams
New York The Academy of Political Science 1979,
Buku Teks
Jakarta: Lembaga Pers Mahasiswa UNJ, 2008,
Majalah, Jurnal, Buletin
Zainuddin Djafar
Dunia Pustaka Jaya, 2008
Buku Teks
Institute for development of economics and finance (INDEF),
Majalah, Jurnal, Buletin
Centre for Strategic and International Studies, 1996
Majalah, Jurnal, Buletin