Dyfyniad APA

India. Ministry of Energy. Department of Coal. (1980). Committee on public undertakings (1980-81): Seventeenth report on coal India limited. Lok Sabha.

Dyfyniad Arddull Chicago

India. Ministry of Energy. Department of Coal. Committee on Public Undertakings (1980-81): Seventeenth Report on Coal India Limited. New Delhi: Lok Sabha, 1980.

Dyfyniad MLA

India. Ministry of Energy. Department of Coal. Committee on Public Undertakings (1980-81): Seventeenth Report on Coal India Limited. Lok Sabha, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.