Fagen, Richard R.
The Transformation of political culture in cuba/ Ricahrd R. Fagen.
Calif Standford University Press, 1969.
 Buku Teks
Bowles, Chester
Africa's challenge to America / Chester Bowles
University Of California Press, 1956
 Buku Teks
Central and Eastern Europe: the challenge of transition
edited by Regina Cowen Karp
Oxford University Press, 1993
 Buku Teks
Booth, John A.
Understanding central America
Westerview Press, 1993
 Buku Teks
Rodriguez, Mario
Central America / Mario Rodriguez
Prentice-Hall, 1965
 Buku Teks