Golay, Frank H.
Cornell University Press, 1961
Buku Teks
Hicks, George L., author
Cornell University Press, 1971
Buku Teks
Fabella, Armand V.
University of the Philippines, 1968
Buku Teks
Kunio, Yoshihara, author
S.l. Tonan Ajia Kenkyu (Southeast Asia Studies) 1995,
Buku Teks
Bello, Walden F., author
Institute for Food and Development Policy, 1982
Buku Teks