India. Ministry of Petroleum and Natural Gas. (1986). Twenty-eighth report: Committee on public undertakings (1986-87). Lok Sabha.
Chicago Stili AlıntıIndia. Ministry of Petroleum and Natural Gas. Twenty-eighth Report: Committee on Public Undertakings (1986-87). New Delhi: Lok Sabha, 1986.
MLA AlıntıIndia. Ministry of Petroleum and Natural Gas. Twenty-eighth Report: Committee on Public Undertakings (1986-87). Lok Sabha, 1986.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..