Calvo-Brenes, G. (2019). New index for evaluating the surface waters quality in Costa Rica.
Čikaški stil citiranjaCalvo-Brenes, Guillermo. New Index for Evaluating the Surface Waters Quality in Costa Rica. 2019.
MLA način citiranjaCalvo-Brenes, Guillermo. New Index for Evaluating the Surface Waters Quality in Costa Rica. 2019.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.