Porter, Rev
T. Nelson and Sons, Paternoster Row, 1891
Buku Teks
Seale, Kirsten, author
Routledge, 2016
Buku Teks
Genzmer, Herbert, author
Parragon, 2010
Buku Referensi
Held, Colbert C.
Westview Press, 2014
Buku Teks
edited by Anthony Reid
Institute of South East Asia Studies, 2012
eBooks