एपीए उद्धरण

(1980). Petroleum Development and Enviorement. Institute of Petroleum.

शिकागो स्टाइल उद्धरण

Petroleum Development and Enviorement. London: Institute of Petroleum, 1980.

एमएलए उद्धरण

Petroleum Development and Enviorement. Institute of Petroleum, 1980.