एपीए उद्धरण

Dobias, R. S. (1976). Capital Investments of the Word Petroleum Industry. New York: Chase.

शिकागो स्टाइल उद्धरण

Dobias, Richard S. Capital Investments of the Word Petroleum Industry. New York: Chase, 1976.

एमएलए उद्धरण

Dobias, Richard S. Capital Investments of the Word Petroleum Industry. New York: Chase, 1976.