APA-čujuhus (7. p.)
Edelman, M., & Kenen, J. (1989). Social reform in Costa Rica: Social security and the Presidency of Rafael Angel Calderón Guardia. Grove Weidenfeld.
Chicago-čujuhus (17. p.)
Edelman, Marc, juo Joanne Kenen. Social Reform in Costa Rica: Social Security and the Presidency of Rafael Angel Calderón Guardia. Nueva York: Grove Weidenfeld, 1989.
MLA-čujuhus (9. p.)
Edelman, Marc, juo Joanne Kenen. Social Reform in Costa Rica: Social Security and the Presidency of Rafael Angel Calderón Guardia. Grove Weidenfeld, 1989.
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