Annual meeting of the American Society of Agronomy New Orleans, E. U. d. A., Cowan, J. R., & Robertson, L. S. (1986). Papers. Estados Unidos de América: American Society of Agronomy ; Crop Science Society of America, inc., Soil Science Society of America, inc.,..
Citación estilo ChicagoAnnual meeting of the American Society of Agronomy New Orleans, Estados Unidos de América), J. Ritchie Cowan, y L. S. Robertson. Papers. Estados Unidos de América: American Society of Agronomy ; Crop Science Society of America, inc., Soil Science Society of America, inc.,., 1986.
Cita MLAAnnual meeting of the American Society of Agronomy New Orleans, Estados Unidos de América), J. Ritchie Cowan, y L. S. Robertson. Papers. Estados Unidos de América: American Society of Agronomy ; Crop Science Society of America, inc., Soil Science Society of America, inc.,., 1986.