edited by Charles F. Herman, Charles W. Kegley, James N. Rosenau
Harper Collins Academic, 1987
Buku Teks
Jackson, Patrick Thaddeus, 1972-, author
Routledge, 2016
Buku Teks
Edward Edgar, 1994
Buku Teks
Bobrow, Davis B.
Free Press, 1979
Buku Teks
United Nations
United Nations, 1977
Buku Teks