ISEAS, 2007
Buku Teks
Padoch, Christine
Martinus Nijhoff, 1982
Buku Teks
Artikel Jurnal
Gumilar Rusliwa Somantri, author
Universitas Indonesia. Lembaga Penelitian, 1993
UI - Laporan Penelitian
Harvey, David, 1935-, author
Johns Hopkins University Press, 1973
Buku Teks