Eberhard, Wolfram, author
Routledge, 1996
Buku Referensi
Eberhard, Wolfram, 1909-1989, author
St Edmundsbury Press, 1996
Buku Teks
Hughes, E.R., author
Princeton University Press, 1960
Buku Teks
Morgan, Harry T.
California Perkins, 1942
Buku Teks
edited by John K. Fairbank
The University of Chicago Press , 1957
Buku Teks