Hunt, E. K.
Harper & Row Pub., 1972
Buku Teks
Shale Horowitz, Uk Heo
Institute of Southeast Asian Studies , 2001
Buku Teks
Lewis, William Arthur, 1915-, author
Princeton University Press, 1978
Buku Teks
Milner, Frederic
Macmillan, 1931
Buku Teks
edited by Riccardo Crescenzi, Marco Percoco
Springer , 2013
Buku Teks