National Archives of Malaysia, 2005
Buku Referensi
National Archives of Malaysia, 2005
Buku Referensi
Ramazani, R.K.
Sijthoff adn Noordhoff, 1979
Buku Teks
edited by Richard Burchill, Nigel D. White and Justin Morris
Cambridge University Press, 2005
Buku Teks
Asser Press, 2004
Buku Teks