Dyfyniad APA

Imbach, P. A. (2005). Priority areas for payment for environmental services (PES) in Costa Rica.

Dyfyniad Arddull Chicago

Imbach, Pablo A. Priority Areas for Payment for Environmental Services (PES) in Costa Rica. 2005.

Dyfyniad MLA

Imbach, Pablo A. Priority Areas for Payment for Environmental Services (PES) in Costa Rica. 2005.

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