APA
National Productivity Council (New Delhi), National Productivity Council (New Delhi), . (1974). Productivity trends in iron and steel industry in. New Delhi: National Productivity Council (New i) India.
Chicago
National Productivity Council (New Delhi), National Productivity Council (New Delhi), . 1974. Productivity trends in iron and steel industry in. New Delhi: National Productivity Council (New i) India.
Harvard
National Productivity Council (New Delhi), National Productivity Council (New Delhi), . (1974). Productivity trends in iron and steel industry in. New Delhi: National Productivity Council (New i) India.
MLA
National Productivity Council (New Delhi), National Productivity Council (New Delhi), . Productivity trends in iron and steel industry in. New Delhi: National Productivity Council (New i) India. 1974.
