Valverde, R. (2003). Access to drinking water in Costa Rica. Universidad Nacional, Costa Rica.
Chicago Style CitationValverde, Ricardo. Access to Drinking Water in Costa Rica. Universidad Nacional, Costa Rica, 2003.
MLA CitationValverde, Ricardo. Access to Drinking Water in Costa Rica. Universidad Nacional, Costa Rica, 2003.
Warning: These citations may not always be 100% accurate.