India. Ministry of Steel and Mines. Department of Steel. (1980). Committee on public undertakings (1980-81): Twenty-third report. Lok Sabha.
Chicago-tyylinen lähdeviittausIndia. Ministry of Steel and Mines. Department of Steel. Committee on Public Undertakings (1980-81): Twenty-third Report. New Delhi: Lok Sabha, 1980.
MLA-viiteIndia. Ministry of Steel and Mines. Department of Steel. Committee on Public Undertakings (1980-81): Twenty-third Report. Lok Sabha, 1980.
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