India. Ministry of Petroleum and Natural Gas. (1986). Twenty-eighth report: Committee on public undertakings (1986-87). Lok Sabha.
Čikaški stil citiranjaIndia. Ministry of Petroleum and Natural Gas. Twenty-eighth Report: Committee on Public Undertakings (1986-87). New Delhi: Lok Sabha, 1986.
MLA način citiranjaIndia. Ministry of Petroleum and Natural Gas. Twenty-eighth Report: Committee on Public Undertakings (1986-87). Lok Sabha, 1986.
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