(1982). Nitrogen in agricultural soils. Wisconsin, USA: American Society of Agronomy, Inc.
Chicago Style CitationNitrogen in Agricultural Soils. Wisconsin, USA: American Society of Agronomy, Inc, 1982.
Cita MLANitrogen in Agricultural Soils. Wisconsin, USA: American Society of Agronomy, Inc, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.