Παραπομπή APA

Valverde, R. (2013). Availability, distribution, quality and perspectives of water in Costa Rica.

Παραπομπή Chicago Style

Valverde, Ricardo. Availability, Distribution, Quality and Perspectives of Water in Costa Rica. 2013.

Παραπομπή MLA

Valverde, Ricardo. Availability, Distribution, Quality and Perspectives of Water in Costa Rica. 2013.

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