Vega Carballo, J. L. Central American Refugees in Costa Rica. CIPRA. CIM.
Cita Chicago Style (17a ed.)Vega Carballo, José Luis. Central American Refugees in Costa Rica. s.l.e.: CIPRA. CIM.
Cita MLA (9a ed.)Vega Carballo, José Luis. Central American Refugees in Costa Rica. CIPRA. CIM.
警告：这些引文格式不一定是100％准确.