Bello, Walden F., author
Institute for Food and Development Policy, 1982
Buku Teks
U.P. Law Center, 1977
Buku Teks
1975
Buku Teks
edited by Peter G. Gowing and William Henry Scott
New day, 1971
Buku Teks
Spence, Hartzell
The World Publsh Co., 1969
Buku Teks