APA
Olaf Erenstein, R.K. Malik Sher Singh, . (2007). Adoption and Impact of Zero Tillage in the Rice-Wheat Zone of Irrigated Haryana, India. New Delhi: CIMMYT` and the Rice-Wheat Cinsortium for the Indo-Gangetic Plains.
Chicago
Olaf Erenstein, R.K. Malik Sher Singh, . 2007. Adoption and Impact of Zero Tillage in the Rice-Wheat Zone of Irrigated Haryana, India. New Delhi: CIMMYT` and the Rice-Wheat Cinsortium for the Indo-Gangetic Plains.
Harvard
Olaf Erenstein, R.K. Malik Sher Singh, . (2007). Adoption and Impact of Zero Tillage in the Rice-Wheat Zone of Irrigated Haryana, India. New Delhi: CIMMYT` and the Rice-Wheat Cinsortium for the Indo-Gangetic Plains.
MLA
Olaf Erenstein, R.K. Malik Sher Singh, . Adoption and Impact of Zero Tillage in the Rice-Wheat Zone of Irrigated Haryana, India. New Delhi: CIMMYT` and the Rice-Wheat Cinsortium for the Indo-Gangetic Plains. 2007.