APA
National Council of Applied Economic Research N. D., National Council of Applied Economic Research N. D., . (1974). Demand for tractors. New Delhi: National Council of Applied Economic Research India.
Chicago
National Council of Applied Economic Research New Delhi, National Council of Applied Economic Research New Delhi, . 1974. Demand for tractors. New Delhi: National Council of Applied Economic Research India.
Harvard
National Council of Applied Economic Research N. D., National Council of Applied Economic Research N. D., . (1974). Demand for tractors. New Delhi: National Council of Applied Economic Research India.
MLA
National Council of Applied Economic Research New Delhi, National Council of Applied Economic Research New Delhi, . Demand for tractors. New Delhi: National Council of Applied Economic Research India. 1974.
