Payan Zelaya, F. A. (2005). Effects of Erythrina poeppigiana pruning residues on soil organic matter in organic coffee plantations.
استشهاد بنمط شيكاغوPayan Zelaya, Fidel A. Effects of Erythrina Poeppigiana Pruning Residues On Soil Organic Matter in Organic Coffee Plantations. 2005.
MLA استشهادPayan Zelaya, Fidel A. Effects of Erythrina Poeppigiana Pruning Residues On Soil Organic Matter in Organic Coffee Plantations. 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.