Martin John H. (2006). Priciples of field crop production. New Jersey: Pearson Prentice Hall.
Chicago Style CitationMartin John H. Priciples of Field Crop Production. New Jersey: Pearson Prentice Hall, 2006.
Cita MLAMartin John H. Priciples of Field Crop Production. New Jersey: Pearson Prentice Hall, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.