Bowie, Robert R
ColumbiaUniversity Press, 1964
Buku Teks
Chia, Siow Yue, author
Cambridge University Press, 2015
Buku Teks
Kynge, James
Mizan, 2007
Buku Teks
Hassanal Bolkiah; izzaddin Waddaulah, Haji Sultan of Brunei, 1946-
Institute of South East Asia Studies, 2014
eBooks
Dizard, Wilson, Jr., author
Praeger, 2001
Buku Teks