Edelman, M., & Kenen, J. (1989). Liberalism and early Costa Rican reformism, late 19th & early 20th centuries (introduction chapter II). Grove Weidenfeld.
Lua i Stíl Chicago (17ú heag.)Edelman, Marc, agus Joanne Kenen. Liberalism and Early Costa Rican Reformism, Late 19th & Early 20th Centuries (introduction Chapter II). Nueva York: Grove Weidenfeld, 1989.
Lua MLA (9ú heag.)Edelman, Marc, agus Joanne Kenen. Liberalism and Early Costa Rican Reformism, Late 19th & Early 20th Centuries (introduction Chapter II). Grove Weidenfeld, 1989.
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