Sawko, F.
London: Applied Science, 1978
Buku Teks
Yayasan Proklamasi, Centre for Strategic and International Studies, 1985
Buku Teks
Martin, James, author
Prentice-Hall, 1977
Buku Teks
Unger, Herwig, editor
Springer, 2011
eBooks
Qamrul Hasan Ansari, Jen-Chih Yao, editor
Springer, 2012
eBooks