Charlesworth, Harold Karr, author
The New Nusantara, 1959
Buku Teks
Ranlett, John G., author
John Wiley & Sons, 1965
Buku Teks
Auernheimer, Leonardo
John Wiley , 1982
Buku Teks
Agus Pakpahan
BRI, 2004
Buku Teks
Sayers, R.S., author
Clarendon Press, 1958
Buku Teks