APA

Ladha J. K., Hill J. e., Duxbury J. M., Gupta R. K. & Buresh R. J. (2003). Improving the productivity and sustainability of rice-wheat systems: issues and impacts: J.K. Ladha, J.E. Hill, R.J. Buresh, J.M.Duxbury and R.K. Gupta (Eds). Madison: Soil Science Society of America; American Society of Agronomy; Crop Science Society of America.

Chicago

Ladha Jagdish K, Hill James e, Duxbury John M, Gupta Raj K and Buresh Roland J. 2003. Improving the productivity and sustainability of rice-wheat systems: issues and impacts: J.K. Ladha, J.E. Hill, R.J. Buresh, J.M.Duxbury and R.K. Gupta (Eds). Madison: Soil Science Society of America; American Society of Agronomy; Crop Science Society of America.

Harvard

Ladha J. K., Hill J. e., Duxbury J. M., Gupta R. K. and Buresh R. J. (2003). Improving the productivity and sustainability of rice-wheat systems: issues and impacts: J.K. Ladha, J.E. Hill, R.J. Buresh, J.M.Duxbury and R.K. Gupta (Eds). Madison: Soil Science Society of America; American Society of Agronomy; Crop Science Society of America.

MLA

Ladha Jagdish K, Hill James e, Duxbury John M, Gupta Raj K and Buresh Roland J. Improving the productivity and sustainability of rice-wheat systems: issues and impacts: J.K. Ladha, J.E. Hill, R.J. Buresh, J.M.Duxbury and R.K. Gupta (Eds). Madison: Soil Science Society of America; American Society of Agronomy; Crop Science Society of America. 2003.