Held, Lewis I., 1951-
Cambridge University Press, 2014
Buku Teks
Center for Southeast Asian Studies Kyoto University, 1988
Buku Teks
Edey, Maitland A., 1910-
Time-Life Books, 1975
Buku Teks
MacDonald, Margaret Read
Linnet Books, 1992
Buku Teks
edited by Geoffrey Barraclough
Times Books, 1984
Buku Referensi