Reddy, S. R. (2011). Principles of agronomy (4th rev. ed.). Kalyani Publishers.
Cita Chicago (17th ed.)Reddy, S. R. Principles of Agronomy. 4th rev. ed. New Delhi: Kalyani Publishers, 2011.
Cita MLA (9th ed.)Reddy, S. R. Principles of Agronomy. 4th rev. ed. Kalyani Publishers, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.