Dyfyniad APA

Castro, R., Porras, J. A., & Jiménez, G. (2009). Alternatives for the Better Use of Electricity in Costa Rica.

Dyfyniad Arddull Chicago

Castro, René, José A. Porras, y Gustavo Jiménez. Alternatives for the Better Use of Electricity in Costa Rica. 2009.

Dyfyniad MLA

Castro, René, José A. Porras, y Gustavo Jiménez. Alternatives for the Better Use of Electricity in Costa Rica. 2009.

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