Dyfyniad APA

Coto-Solís, G. (2012). Environmental Education Program in the Balsa river basin, Costa Rica.

Dyfyniad Arddull Chicago

Coto-Solís, Gilberth. Environmental Education Program in the Balsa River Basin, Costa Rica. 2012.

Dyfyniad MLA

Coto-Solís, Gilberth. Environmental Education Program in the Balsa River Basin, Costa Rica. 2012.

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