Edelman, M., & Kenen, J. (1989). Social reform in Costa Rica: Social security and the Presidency of Rafael Angel Calderón Guardia. Grove Weidenfeld.
Cita Chicago (17th ed.)Edelman, Marc, i Joanne Kenen. Social Reform in Costa Rica: Social Security and the Presidency of Rafael Angel Calderón Guardia. Nueva York: Grove Weidenfeld, 1989.
Cita MLA (9th ed.)Edelman, Marc, i Joanne Kenen. Social Reform in Costa Rica: Social Security and the Presidency of Rafael Angel Calderón Guardia. Grove Weidenfeld, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.