Wallace, David Rains, author
Houghton Mifflin, 1999
Buku Teks
McAlevey, Jane F., author
Oxford University Press, 2016
eBooks
Owen, John Mackenzie, author
Springer, 2007
Buku Teks
Fyzee-Rahamin, S., author
Herbert Joseph, [Date of publication not identified]
Buku Teks
Siti Kamdani, author
Sekolah Kajian Stratejik dan Global Universitas Indonesia, 2002
UI - Tesis Membership