Finley, M.I.
Penguin Books, 1975
Buku Teks SO
Rowse, Alfred Leslie, 1903-1997
Hodder & Stoughton, 1946
Buku Teks SO
Wang, Gungwu
Center for International Studies Southeast Asia Program, 1968
Buku Teks SO
Marks, John
MTP Press, 1978
Buku Teks SO
Reichmann, W.J.
Oxfrod University Press ., 1962
Buku Teks SO