एपीए उद्धरण

Organisation for Economic Co-operation and Deverlopment. (1973). Oil: The Present Situation and Future Prospects. Paris: Oecd Publications.

शिकागो स्टाइल उद्धरण

Organisation for Economic Co-operation and Deverlopment. Oil: The Present Situation and Future Prospects. Paris: Oecd Publications, 1973.

एमएलए उद्धरण

Organisation for Economic Co-operation and Deverlopment. Oil: The Present Situation and Future Prospects. Paris: Oecd Publications, 1973.