Max
Sampson Low, Marston, 1900
Buku Teks
Cady, John F.
Cornell University Press, 1958
Buku Teks
Cheng, Siok-Hwa, 1852-1940, author
Institute of South East Asia Studies, 2012
eBooks
Hall, D.G.E., author
University of Pennsylvani Press, 1971
Buku Teks
Hall, D.G.E., author
Hutchinson's University Library, 1950
Buku Teks