Charles E. Tuttle Company, 1988
Buku Teks
Beasley, W.G
University of California Press , 1999
Buku Teks
Oxford University Press, 1961
Buku Teks
Beasley, W.G.
Clarendon Press Oxford, 1987
Buku Teks
Storry, Richard, 1913-1982
Penguin Books, 1973
Buku Teks