Punjab (India). Economic and Statistical Organisation. (1974). Economics of tractor cultivation and economics of production and cultivation practices of high yielding varieties of wheat, maize (hybrid), and paddy in Punjab: Combined report from 1969-70 to 1971-72. The Organization.
Chicago-Zitierstil (17. Ausg.)Punjab (India). Economic and Statistical Organisation. Economics of Tractor Cultivation and Economics of Production and Cultivation Practices of High Yielding Varieties of Wheat, Maize (hybrid), and Paddy in Punjab: Combined Report from 1969-70 to 1971-72. Chandigarh: The Organization, 1974.
MLA-Zitierstil (8. Ausg.)Punjab (India). Economic and Statistical Organisation. Economics of Tractor Cultivation and Economics of Production and Cultivation Practices of High Yielding Varieties of Wheat, Maize (hybrid), and Paddy in Punjab: Combined Report from 1969-70 to 1971-72. The Organization, 1974.