Hart, J.M.
Allen& Unwin , 1951
Koleksi Publik
Morgan, J. Brian, 1935-, author
Avebury, 1996
Buku Teks
Barker, Thomas, author
Cipta Manunggal, 1999
Buku Teks
Japan Times, 2000
Buku Teks
Shah, Giraraj, author
Anmol Publications PVT. Ltd., 2000
Buku Referensi