Edelman, M., & Kenen, J. (1989). Liberalism and early Costa Rican reformism, late 19th & early 20th centuries (introduction chapter II). Grove Weidenfeld.

Edelman, Marc, and Joanne Kenen. Liberalism and Early Costa Rican Reformism, Late 19th & Early 20th Centuries (introduction Chapter II). Nueva York: Grove Weidenfeld, 1989.

Edelman, Marc, and Joanne Kenen. Liberalism and Early Costa Rican Reformism, Late 19th & Early 20th Centuries (introduction Chapter II). Grove Weidenfeld, 1989.