Marek, George R.
Simon and Schuster, 1951
Buku Teks
edited by Angus Mcintyre
Victoria Centre of South East Asian Studies Monas University , 1993
Buku Teks
Tillett, Gregory
Routledge & Kegan Paul, 1982
Buku Teks
Jankowsky, Kurt R.
The Hague, 1972
Buku Teks
Craven, Paul R.
Dickenson Publishing, 1968
Buku Teks