(1987). Soybean production handbook. Manhattan, Kan: Cooperative Extension Service, Kansas State University.
Trích dẫn kiểu ChicagoSoybean Production Handbook. Manhattan, Kan: Cooperative Extension Service, Kansas State University, 1987.
Deismireacht MLASoybean Production Handbook. Manhattan, Kan: Cooperative Extension Service, Kansas State University, 1987.
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