Churchill, Anthony
Road user charges in central America
John Hopkins University Press, 1972
 Buku Teks
Booth, John A.
Understanding central America
Westerview Press, 1989
 Buku Teks
Booth, John A.
Understanding central America
Westerview Press, 1993
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Rodriguez, Mario
Central America / Mario Rodriguez
Prentice-Hall, 1965
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Liss, Sheldon B.
Radical thought in central America
Westview Press, 1991
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