Valverde, R. (2013). Availability, distribution, quality and perspectives of water in Costa Rica.
Chicago Stili AlıntıValverde, Ricardo. Availability, Distribution, Quality and Perspectives of Water in Costa Rica. 2013.
MLA AlıntıValverde, Ricardo. Availability, Distribution, Quality and Perspectives of Water in Costa Rica. 2013.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..