Gaya APA

Jauberth, H, R. (1992). Difficult Triangle ( Mexico, Central America, and the United States ) . Boulder, San Fransisco, Oxford: Westview Press.

Gaya MLA

Jauberth, H., Rodrigo. "Difficult Triangle ( Mexico, Central America, and the United States )". Boulder, San Fransisco, Oxford: Westview Press, 1992. Text.