edited by Allen N. Berger, Philip Molyneux and John O.S. Wilson
Oxford University Press, 2015
Buku Referensi
Holden, J. Milnes, author
Sir Isaac Pitman & Sons, 1960
Buku Teks
Charlesworth, Harold Karr, author
The New Nusantara, 1959
Buku Teks
Ranlett, John G., author
John Wiley & Sons, 1965
Buku Teks
Agus Pakpahan
BRI, 2004
Buku Teks