APA

Gupta R., Hobbs P., Malik R., Pokharel T., Salim M., Thakur T., Tripathi J. & Varma M. (2000). Research and extension issues for farm-level impact on the productivity of the rice-wheat systems in the Indo-Gangetic Plains of India and Pakistan. New Delhi (India): Rice-Wheat Consortium for the Indo-Gangetic Plains.

Chicago

Gupta R.K, Hobbs P.R, Malik R.K, Pokharel T.P, Salim M, Thakur T.C, Tripathi J and Varma M.R. 2000. Research and extension issues for farm-level impact on the productivity of the rice-wheat systems in the Indo-Gangetic Plains of India and Pakistan. New Delhi (India): Rice-Wheat Consortium for the Indo-Gangetic Plains.

Harvard

Gupta R., Hobbs P., Malik R., Pokharel T., Salim M., Thakur T., Tripathi J. and Varma M. (2000). Research and extension issues for farm-level impact on the productivity of the rice-wheat systems in the Indo-Gangetic Plains of India and Pakistan. New Delhi (India): Rice-Wheat Consortium for the Indo-Gangetic Plains.

MLA

Gupta R.K, Hobbs P.R, Malik R.K, Pokharel T.P, Salim M, Thakur T.C, Tripathi J and Varma M.R. Research and extension issues for farm-level impact on the productivity of the rice-wheat systems in the Indo-Gangetic Plains of India and Pakistan. New Delhi (India): Rice-Wheat Consortium for the Indo-Gangetic Plains. 2000.