Kaegi, Adolf
Susil Gupta , 1950
Buku Teks
Gale, Esson M.
Michigan State College Press, 1953
Buku Teks
Barnouw, Adriaan Jacob
Van Gorcum & Comp. N.V., 1969
Buku Teks
Drury, Nevill, 1947-, author
Thames & Hudson, 2004
Buku Teks
Dore, R.P., author
The Athlone Press, 1984
Buku Teks