. (2011). The Efficiency of Different Types of Nitrogen Fertilizers and Wheat Yield. Agricultural Engineering, 33(2), 91–100. https://doi.org/10.22055/agen.2011.15455
MLA
. "The Efficiency of Different Types of Nitrogen Fertilizers and Wheat Yield", Agricultural Engineering, 33, 2, 2011, 91–100. doi: 10.22055/agen.2011.15455
HARVARD
. (2011). 'The Efficiency of Different Types of Nitrogen Fertilizers and Wheat Yield', Agricultural Engineering, 33(2), pp. 91–100. doi: 10.22055/agen.2011.15455
CHICAGO
, "The Efficiency of Different Types of Nitrogen Fertilizers and Wheat Yield." Agricultural Engineering, 33 2 (2011): 91–100, doi: 10.22055/agen.2011.15455
VANCOUVER
. The Efficiency of Different Types of Nitrogen Fertilizers and Wheat Yield. Agricultural Engineering. 2011;33(2):91–100 (In Persian). doi: 10.22055/agen.2011.15455
