Singapore : Institute of Southeast Asian Studies
Majalah, Jurnal, Buletin
edited by Frans Husken and Jeremy Kemp
KITLV Press, 1991
Buku Teks
Adams, William J., author
Xerox College, 1975
Buku Teks
Bierstedt, Robert, author
McGraw-Hill, 1964
Buku Teks
Eisenberg, Leon, author
D. Reidel, 1981
Buku Teks