Dyfyniad APA

Alvarado Barrientos, J. J., Fernández García, C., & Cortés Núñez, J. (2009). Water quality conditions on coral reefs at the Marino Ballena National Park, Pacific Costa Rica.

Dyfyniad Arddull Chicago

Alvarado Barrientos, Juan José, Cindy Fernández García, y Jorge Cortés Núñez. Water Quality Conditions On Coral Reefs At the Marino Ballena National Park, Pacific Costa Rica. 2009.

Dyfyniad MLA

Alvarado Barrientos, Juan José, Cindy Fernández García, y Jorge Cortés Núñez. Water Quality Conditions On Coral Reefs At the Marino Ballena National Park, Pacific Costa Rica. 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.