Association of Southeast Asian Nations
ASEAN Secretariat, 2008
Buku Referensi
KPK, 2008
Buku Teks
Universitas Indonesia, 2007
Buku Teks
edited by Daljit Singh and Lorraine C. Salazar
Institute of southeast Asian Studies, 2007
Buku Teks
Baars, A.
Leiden KITLV 1991
Buku Teks