Reddy, S. R. (2012). Principles of crop production. Kalyani Publishers.
Cita Chicago (17th ed.)Reddy, S. R. Principles of Crop Production. Ludhiana: Kalyani Publishers, 2012.
Cita MLA (9th ed.)Reddy, S. R. Principles of Crop Production. Kalyani Publishers, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.