Dyfyniad APA

Lianes, E., Marchamalo, M., & Roldán, M. (2009). RUSLE factor C evaluation for the vegetation cover management in erosion control in the Birrís river basin, Costa Rica.

Dyfyniad Arddull Chicago

Lianes, Elena, Miguel Marchamalo, y Margarita Roldán. RUSLE Factor C Evaluation for the Vegetation Cover Management in Erosion Control in the Birrís River Basin, Costa Rica. 2009.

Dyfyniad MLA

Lianes, Elena, Miguel Marchamalo, y Margarita Roldán. RUSLE Factor C Evaluation for the Vegetation Cover Management in Erosion Control in the Birrís River Basin, Costa Rica. 2009.

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