Honolulu Institute 19-?,
Buku Teks
Chulalongkorn University, 2007
Buku Referensi
edited by Narongchai Akrasanee and Hans Christoph Rieger
Institute of Southeast Asian Studies, 1982
Buku Teks
Asean -Ec Energy Management Training and Research Centre, 1993,
Buku Referensi
by Asian Association on National Languages
Ministry of Education and Culture, 1981
Buku Klasik