Cita APA (7th ed.)
Barry, T. (1986). The central America fact book. Grove Press,INC.
Cita Chicago (17th ed.)
Barry, Tom. The Central America Fact Book. New York: Grove Press,INC, 1986.
Cita MLA (9th ed.)
Barry, Tom. The Central America Fact Book. Grove Press,INC, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.