edited by Juan J. Linz and Alfred Stepan
John Hopkins University Press, 1978
Buku Teks
Molineu, Harold, author
Westerview Press, 1990
Buku Teks
Molineu, Harold, author
Westview Press, 1990
Buku Teks
edited by James Petras
John Wiley & Sons, 1973
Buku Teks
Burns, E. Bradford, author
Prentice-Hall, 1977
Buku Teks