India. Dept. of Steel & India. Ministry of Steel and Mines. (1971). Report. Govt. of India, Ministry of Steel and Mines, Dept. of Steel.
Dyfyniad Arddull ChicagoIndia. Dept. of Steel and India. Ministry of Steel and Mines. Report. New Delhi: Govt. of India, Ministry of Steel and Mines, Dept. of Steel, 1971.
Dyfyniad MLAIndia. Dept. of Steel and India. Ministry of Steel and Mines. Report. Govt. of India, Ministry of Steel and Mines, Dept. of Steel, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.