Não informado. (2020). Crop Science, Soil Science, Agronomy News. American Society of Agronomy.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Crop Science, Soil Science, Agronomy News. Madison, Wis: American Society of Agronomy, 2020.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Crop Science, Soil Science, Agronomy News. American Society of Agronomy, 2020.
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