The National Identity Board
The National Identity Board, 1995
Buku Referensi
Blanchard, Wendell
Buku Teks
Anuman, Rajadhon Phraya, author
National Culture Institute, 1956
Buku Teks
Thai Watana Panich Press, 1979
Buku Teks
Baker, Chris, author
Cambridge Press, 2007
Buku Teks