Rivers-Smith, S., author
Oxford University Press, 1949
Buku Teks
Coulton, G.G. (George Gordon), author
Macmillan; University Press, 1938
Buku Teks
Berkeley Publishing , 1964
Buku Teks
Ghirshman, R.
Penguin Books, 1954
Buku Teks
Rivers-Smith, S., author
Oxford University Press, 1951
Buku Teks