Payan Zelaya, F. A. (2005). Effects of Erythrina poeppigiana pruning residues on soil organic matter in organic coffee plantations.
Citación estilo ChicagoPayan Zelaya, Fidel A. Effects of Erythrina Poeppigiana Pruning Residues On Soil Organic Matter in Organic Coffee Plantations. 2005.
MLA引文Payan Zelaya, Fidel A. Effects of Erythrina Poeppigiana Pruning Residues On Soil Organic Matter in Organic Coffee Plantations. 2005.
警告:这些引文格式不一定是100%准确.