Dutton, Geoffrey, author
Chapman and Hall, 1960.
Buku Teks
The Johns Hopkins Press, 1961
Buku Teks
Spencer, Hazelton
New York: Hartcourt, [1940]
Buku Teks
Kay, Dennis, author
Twayne, 1995
Buku Teks
Dun, Smith, author
Southeast Asia Program, Dept. of Asian Studies, Cornell University, 1980
Buku Teks