Cita APA (7th ed.)

Reddy, S. R. (2004). Principles of agronomy. Kalyani Publishers.

Cita Chicago (17th ed.)

Reddy, S. R. Principles of Agronomy. Ludhiana: Kalyani Publishers, 2004.

Cita MLA (9th ed.)

Reddy, S. R. Principles of Agronomy. Kalyani Publishers, 2004.