एपीए उद्धरण

India. Ministry of Petroleum, Chemicals and Fertilizers. (1980). Committee on public undertakings (1980-81): Twenty-first report on rashtriya chemicals and fertilizers ltd. Lok Sabha.

शिकागो स्टाइल उद्धरण

India. Ministry of Petroleum, Chemicals and Fertilizers. Committee on Public Undertakings (1980-81): Twenty-first Report on Rashtriya Chemicals and Fertilizers Ltd. New Delhi: Lok Sabha, 1980.

एमएलए उद्धरण

India. Ministry of Petroleum, Chemicals and Fertilizers. Committee on Public Undertakings (1980-81): Twenty-first Report on Rashtriya Chemicals and Fertilizers Ltd. Lok Sabha, 1980.