Imbach, P. A. (2005). Priority areas for payment for environmental services (PES) in Costa Rica.
استشهاد بنمط شيكاغوImbach, Pablo A. Priority Areas for Payment for Environmental Services (PES) in Costa Rica. 2005.
MLA استشهادImbach, Pablo A. Priority Areas for Payment for Environmental Services (PES) in Costa Rica. 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.