Artikel Jurnal
Plummer, Michael G., 1959-
The East-West Center , 1993
Buku Teks
Maryanov, Gerald S.
Equinox Publishing, 2009
Buku Teks
Muaja, A.J.
New Nusantara Publishing Coy, [date of publication not identified]
Buku Teks
Muaja, A.J.
New Nusantara Publishing Coy, 1958
Buku Teks