APA
Umar Farooq, Muhammad Sharif Olaf Erenstein, . (2007). Adoption and Impact of Zero Tillage in the Rice-Wheat Zone of Irrigated Punjab, Pakistan. New Delhi: CIMMYT and the Rice-Wheat Consortium for the Indo-Gangetic Plains.
Chicago
Umar Farooq, Muhammad Sharif Olaf Erenstein, . 2007. Adoption and Impact of Zero Tillage in the Rice-Wheat Zone of Irrigated Punjab, Pakistan. New Delhi: CIMMYT and the Rice-Wheat Consortium for the Indo-Gangetic Plains.
Harvard
Umar Farooq, Muhammad Sharif Olaf Erenstein, . (2007). Adoption and Impact of Zero Tillage in the Rice-Wheat Zone of Irrigated Punjab, Pakistan. New Delhi: CIMMYT and the Rice-Wheat Consortium for the Indo-Gangetic Plains.
MLA
Umar Farooq, Muhammad Sharif Olaf Erenstein, . Adoption and Impact of Zero Tillage in the Rice-Wheat Zone of Irrigated Punjab, Pakistan. New Delhi: CIMMYT and the Rice-Wheat Consortium for the Indo-Gangetic Plains. 2007.