Cita APA (7th ed.)

Balasubramaniyan, P. (2004). Principles and practices of agronomy. (2nd ed.). Agrobios.

Cita Chicago (17th ed.)

Balasubramaniyan, P. Principles and Practices of Agronomy. 2nd ed. Jodhpur: Agrobios, 2004.

Cita MLA (9th ed.)

Balasubramaniyan, P. Principles and Practices of Agronomy. 2nd ed. Agrobios, 2004.