Southern Africa since the Portuguese coup / edited by John Seiler
Westview Press, 1980
Buku Teks
Updike, John
The Coup
harmondsworth : Penguin Books, 1978
Buku Teks
Handbook of world philosophy : contemporary developments since 1945
edited by John R. Burr
Greenwood Press, 1980
Buku Referensi
Corrosion inhibitors : developments since 1980 / edited by M.J. Collie
Noyes Data Corp., 1983
Buku Teks
Fraser-Tytler, W.K.
Afghanistan: a study of political developments in Central Asia
Oxford University Press, 1950
Buku Teks