Porritt, Vernon L., author
Monash Asia Institute, 2004
Buku Teks
Artikel Jurnal
Meuthia Ganie Rochman, author
Pustaka Pelajar, 2002
Buku Teks
edited by Anke Niehof and Firman Lubis.
KITLV Press, 2003
Buku Teks
Nasution, Claudia Von, author
2014
UI - Tugas Akhir