Donnelly, Thomas C.
The University of Mexico Press, 1953
Buku Teks
Tucker, William P.
University of Minnesota Press, 1958
Buku Teks
[publisher not identified], 1990
Buku Teks
Marcos, Subcomandante, author
Insist Press, 2003
Buku Teks
A. Fauzan Azhima, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2011
UI - Skripsi (Open)