एपीए उद्धरण

Calvo-Brenes, G. (2013). New methodology for evaluating the surface waters quality to be used as Class 2 in Costa Rica.

शिकागो स्टाइल उद्धरण

Calvo-Brenes, Guillermo. New Methodology for Evaluating the Surface Waters Quality to Be Used As Class 2 in Costa Rica. 2013.

एमएलए उद्धरण

Calvo-Brenes, Guillermo. New Methodology for Evaluating the Surface Waters Quality to Be Used As Class 2 in Costa Rica. 2013.