Ligterink, G.H., author
UI-Press, 1987
Buku Teks
Wolf, Paul R., author
Gadja Mada University Press, 1993
Buku Teks
Rampal, K.K.
Oxford & IBH, 1982
Buku Teks
Ghosh, Sanjib K., author
Ohio The Ohia State University, 1968
Buku Teks
Sharp, H. Oakley
Macmillan, 1951
Buku Teks