APA (7 वां संस्करण) प्रशस्ति पत्र

Noreng, O. (1978). Oil politics in the 1980s: Patterns of international cooperation. McGraw Hill Book Company.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Noreng, Oystein. Oil Politics in the 1980s: Patterns of International Cooperation. McGraw Hill Book Company, 1978.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Noreng, Oystein. Oil Politics in the 1980s: Patterns of International Cooperation. McGraw Hill Book Company, 1978.

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