Charles A Black. (1993). Soil fertility evaluation and control. Boca Raton: Lewis Publishers.
Trích dẫn kiểu ChicagoCharles A Black. Soil Fertility Evaluation and Control. Boca Raton: Lewis Publishers, 1993.
MLA citiranjeCharles A Black. Soil Fertility Evaluation and Control. Boca Raton: Lewis Publishers, 1993.
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