India. Ministry of Petroleum, Chemicals and Fertilizers. Department of Chemicals and Fertilizers. (1981). Committee on public undertakings (1981-82): Thirty first report on rashtriya chemicals and fertilizers ltd. Lok Sabha.
शिकागो स्टाइल उद्धरणIndia. Ministry of Petroleum, Chemicals and Fertilizers. Department of Chemicals and Fertilizers. Committee on Public Undertakings (1981-82): Thirty First Report on Rashtriya Chemicals and Fertilizers Ltd. New Delhi: Lok Sabha, 1981.
एमएलए उद्धरणIndia. Ministry of Petroleum, Chemicals and Fertilizers. Department of Chemicals and Fertilizers. Committee on Public Undertakings (1981-82): Thirty First Report on Rashtriya Chemicals and Fertilizers Ltd. Lok Sabha, 1981.
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