Gaya APA

al.], Z, T, [. (2015). Tillage and straw mulching impacts on grain yield and water use efficiency of spring maize in Northern Huang–Huai–Hai Valley . : Elsevier.

Gaya MLA

al.], Zhiqiang, Tao, [et. "Tillage and straw mulching impacts on grain yield and water use efficiency of spring maize in Northern Huang–Huai–Hai Valley". : Elsevier, 2015. e-journal.