American Society of Agronomy, Crop Science Society of America, & Soil Science Society of America. (2016). Agricultural & environmental letters. American Society of Agronomy.
Chicago-čujuhus (17. p.)American Society of Agronomy, Crop Science Society of America, juo Soil Science Society of America. Agricultural & Environmental Letters. Madison, WI: American Society of Agronomy, 2016.
MLA-čujuhus (9. p.)American Society of Agronomy, et al. Agricultural & Environmental Letters. American Society of Agronomy, 2016.
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