Sudiyo, author
Bina Aksara, 1989
Buku Teks
Marriott, J.A.R.
Clarendon Press, 1953
Buku Teks
Schwerin, Claudius Freiherr von, 1880-
Duncker & Humblot, 1934
Buku Teks
Geiss, Imannuel
Routledge, 1997
Buku Teks
F.X. Bhima Setya Budhi, author
1985
UI - Skripsi (Membership)