India. Ministry of Steel and Mines. Department of Steel. (1980). Committee on public undertakings (1980-81): Twenty-third report. Lok Sabha.
Dyfyniad Arddull ChicagoIndia. Ministry of Steel and Mines. Department of Steel. Committee on Public Undertakings (1980-81): Twenty-third Report. New Delhi: Lok Sabha, 1980.
Dyfyniad MLAIndia. Ministry of Steel and Mines. Department of Steel. Committee on Public Undertakings (1980-81): Twenty-third Report. Lok Sabha, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.