Colburn, F. D., & Cruz S., A. J. (2007). Varieties of liberalism in Central America: Nation-states as works in progress. University of Texas Press.

Colburn, Forrest D., and Arturo J. Cruz S. Varieties of Liberalism in Central America: Nation-states as Works in Progress. Austin: University of Texas Press, 2007.

Colburn, Forrest D., and Arturo J. Cruz S. Varieties of Liberalism in Central America: Nation-states as Works in Progress. University of Texas Press, 2007.