Gossel, Peter, author
Taschen, 2001
Buku Teks
Frampton, Kenneth, author
MIT Press, 1995
Buku Teks
Anderson, Stanford
MIT Press, 2000
Buku Teks
edited by Jack A. Goldstone, Ted Robert Gurr, Farrokh Moshiri
Westview Press, 1991
Buku Teks
Varga, Eugen, 1879-1964, author
Foreign Languages Publishing House, 1961
Buku Teks